400920520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:109

約数の個数: 512

約数和(自身を含む): 1393459200

約数和(自身を除く): 992538680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 17, 19, 20, 22, 26, 28, 31, 34, 35, 38, 40, 44, 52, 55, 56, 62, 65, 68, 70, 76, 77, 85, 88, 91, 95, 104, 110, 119, 124, 130, 133, 136, 140, 143, 152, 154, 155, 170, 182, 187, 190, 209, 217, 220, 221, 238, 247, 248, 260, 266, 280, 286, 308, 310, 323, 340, 341, 364, 374, 380, 385, 403, 418, 434, 440, 442, 455, 476, 494, 520, 527, 532, 572, 589, 595, 616, 620, 646, 665, 680, 682, 715, 728, 748, 760, 770, 806, 836, 868, 884, 910, 935, 952, 988, 1001, 1045, 1054, 1064, 1085, 1105, 1144, 1178, 1190, 1235, 1240, 1292, 1309, 1330, 1364, 1430, 1463, 1496, 1540, 1547, 1612, 1615, 1672, 1705, 1729, 1736, 1768, 1820, 1870, 1976, 2002, 2015, 2090, 2108, 2170, 2210, 2261, 2356, 2380, 2387, 2431, 2470, 2584, 2618, 2635, 2660, 2717, 2728, 2821, 2860, 2926, 2945, 3080, 3094, 3224, 3230, 3410, 3458, 3553, 3640, 3689, 3740, 4004, 4030, 4123, 4180, 4199, 4216, 4340, 4420, 4433, 4522, 4712, 4760, 4774, 4862, 4940, 5005, 5236, 5270, 5320, 5434, 5642, 5720, 5797, 5852, 5890, 6188, 6460, 6479, 6545, 6820, 6851, 6916, 7106, 7315, 7378, 7480, 7657, 7735, 8008, 8060, 8246, 8360, 8398, 8645, 8680, 8840, 8866, 9044, 9548, 9724, 9880, 10010, 10013, 10472, 10540, 10868, 11284, 11305, 11594, 11704, 11780, 11935, 12155, 12376, 12920, 12958, 13090, 13585, 13640, 13702, 13832, 14105, 14212, 14630, 14756, 15314, 15470, 16120, 16492, 16796, 17017, 17290, 17732, 17765, 18088, 18445, 19019, 19096, 19448, 20020, 20026, 20615, 20995, 21080, 21736, 22165, 22568, 22610, 23188, 23560, 23870, 24310, 24871, 25916, 26180, 27170, 27404, 28210, 28424, 28985, 29260, 29393, 29512, 30628, 30940, 31031, 32395, 32984, 33592, 34034, 34255, 34580, 35464, 35530, 36890, 38038, 38285, 40040, 40052, 40579, 41230, 41990, 44330, 45220, 45353, 46189, 46376, 47740, 47957, 48620, 49742, 50065, 51832, 52360, 53599, 54340, 54808, 56420, 57970, 58520, 58786, 61256, 61880, 62062, 64790, 68068, 68510, 69160, 70091, 71060, 73780, 75361, 76076, 76570, 80104, 81158, 82460, 83980, 84227, 85085, 88660, 90440, 90706, 92378, 95095, 95480, 95914, 97240, 99484, 100130, 107198, 108680, 110143, 112840, 115940, 117572, 124124, 124355, 129580, 130169, 136136, 137020, 140182, 142120, 146965, 147560, 150722, 152152, 153140, 155155, 162316, 164920, 167960, 168454, 170170, 177320, 181412, 184756, 190190, 191828, 198968, 200260, 202895, 214396, 220286, 226765, 230945, 231880, 235144, 239785, 248248, 248710, 259160, 260338, 267995, 274040, 280364, 293930, 301444, 306280, 310310, 323323, 324632, 336908, 340340, 350455, 362824, 369512, 376805, 380380, 383656, 400520, 405790, 421135, 428792, 440572, 453530, 461890, 479570, 497420, 520676, 527527, 535990, 550715, 560728, 587860, 589589, 602888, 620620, 646646, 650845, 673816, 680680, 700910, 753610, 760760, 771001, 811580, 842270, 881144, 907060, 911183, 923780, 959140, 994840, 1041352, 1055054, 1071980, 1101430, 1175720, 1179178, 1241240, 1293292, 1301690, 1401820, 1431859, 1507220, 1542002, 1616615, 1623160, 1684540, 1814120, 1822366, 1847560, 1918280, 2110108, 2143960, 2202860, 2358356, 2586584, 2603380, 2637635, 2803640, 2863718, 2947945, 3014440, 3084004, 3233230, 3369080, 3644732, 3855005, 4220216, 4405720, 4555915, 4716712, 5206760, 5275270, 5727436, 5895890, 6168008, 6466460, 7159295, 7289464, 7710010, 9111830, 10023013, 10550540, 11454872, 11791780, 12932920, 14318590, 15420020, 18223660, 20046026, 21101080, 23583560, 28637180, 30840040, 36447320, 40092052, 50115065, 57274360, 80184104, 100230130, 200460260, 400920520]

約数ペア:

[(1, 400920520), (2, 200460260), (4, 100230130), (5, 80184104), (7, 57274360), (8, 50115065), (10, 40092052), (11, 36447320), (13, 30840040), (14, 28637180), (17, 23583560), (19, 21101080), (20, 20046026), (22, 18223660), (26, 15420020), (28, 14318590), (31, 12932920), (34, 11791780), (35, 11454872), (38, 10550540), (40, 10023013), (44, 9111830), (52, 7710010), (55, 7289464), (56, 7159295), (62, 6466460), (65, 6168008), (68, 5895890), (70, 5727436), (76, 5275270), (77, 5206760), (85, 4716712), (88, 4555915), (91, 4405720), (95, 4220216), (104, 3855005), (110, 3644732), (119, 3369080), (124, 3233230), (130, 3084004), (133, 3014440), (136, 2947945), (140, 2863718), (143, 2803640), (152, 2637635), (154, 2603380), (155, 2586584), (170, 2358356), (182, 2202860), (187, 2143960), (190, 2110108), (209, 1918280), (217, 1847560), (220, 1822366), (221, 1814120), (238, 1684540), (247, 1623160), (248, 1616615), (260, 1542002), (266, 1507220), (280, 1431859), (286, 1401820), (308, 1301690), (310, 1293292), (323, 1241240), (340, 1179178), (341, 1175720), (364, 1101430), (374, 1071980), (380, 1055054), (385, 1041352), (403, 994840), (418, 959140), (434, 923780), (440, 911183), (442, 907060), (455, 881144), (476, 842270), (494, 811580), (520, 771001), (527, 760760), (532, 753610), (572, 700910), (589, 680680), (595, 673816), (616, 650845), (620, 646646), (646, 620620), (665, 602888), (680, 589589), (682, 587860), (715, 560728), (728, 550715), (748, 535990), (760, 527527), (770, 520676), (806, 497420), (836, 479570), (868, 461890), (884, 453530), (910, 440572), (935, 428792), (952, 421135), (988, 405790), (1001, 400520), (1045, 383656), (1054, 380380), (1064, 376805), (1085, 369512), (1105, 362824), (1144, 350455), (1178, 340340), (1190, 336908), (1235, 324632), (1240, 323323), (1292, 310310), (1309, 306280), (1330, 301444), (1364, 293930), (1430, 280364), (1463, 274040), (1496, 267995), (1540, 260338), (1547, 259160), (1612, 248710), (1615, 248248), (1672, 239785), (1705, 235144), (1729, 231880), (1736, 230945), (1768, 226765), (1820, 220286), (1870, 214396), (1976, 202895), (2002, 200260), (2015, 198968), (2090, 191828), (2108, 190190), (2170, 184756), (2210, 181412), (2261, 177320), (2356, 170170), (2380, 168454), (2387, 167960), (2431, 164920), (2470, 162316), (2584, 155155), (2618, 153140), (2635, 152152), (2660, 150722), (2717, 147560), (2728, 146965), (2821, 142120), (2860, 140182), (2926, 137020), (2945, 136136), (3080, 130169), (3094, 129580), (3224, 124355), (3230, 124124), (3410, 117572), (3458, 115940), (3553, 112840), (3640, 110143), (3689, 108680), (3740, 107198), (4004, 100130), (4030, 99484), (4123, 97240), (4180, 95914), (4199, 95480), (4216, 95095), (4340, 92378), (4420, 90706), (4433, 90440), (4522, 88660), (4712, 85085), (4760, 84227), (4774, 83980), (4862, 82460), (4940, 81158), (5005, 80104), (5236, 76570), (5270, 76076), (5320, 75361), (5434, 73780), (5642, 71060), (5720, 70091), (5797, 69160), (5852, 68510), (5890, 68068), (6188, 64790), (6460, 62062), (6479, 61880), (6545, 61256), (6820, 58786), (6851, 58520), (6916, 57970), (7106, 56420), (7315, 54808), (7378, 54340), (7480, 53599), (7657, 52360), (7735, 51832), (8008, 50065), (8060, 49742), (8246, 48620), (8360, 47957), (8398, 47740), (8645, 46376), (8680, 46189), (8840, 45353), (8866, 45220), (9044, 44330), (9548, 41990), (9724, 41230), (9880, 40579), (10010, 40052), (10013, 40040), (10472, 38285), (10540, 38038), (10868, 36890), (11284, 35530), (11305, 35464), (11594, 34580), (11704, 34255), (11780, 34034), (11935, 33592), (12155, 32984), (12376, 32395), (12920, 31031), (12958, 30940), (13090, 30628), (13585, 29512), (13640, 29393), (13702, 29260), (13832, 28985), (14105, 28424), (14212, 28210), (14630, 27404), (14756, 27170), (15314, 26180), (15470, 25916), (16120, 24871), (16492, 24310), (16796, 23870), (17017, 23560), (17290, 23188), (17732, 22610), (17765, 22568), (18088, 22165), (18445, 21736), (19019, 21080), (19096, 20995), (19448, 20615), (20020, 20026)]