399961380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 384

約数和(自身を含む): 1517322240

約数和(自身を除く): 1117360860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 26, 28, 30, 31, 34, 35, 39, 42, 51, 52, 60, 62, 65, 68, 70, 78, 84, 85, 91, 93, 102, 105, 119, 124, 130, 139, 140, 155, 156, 170, 182, 186, 195, 204, 210, 217, 221, 238, 255, 260, 273, 278, 310, 340, 357, 364, 372, 390, 403, 417, 420, 434, 442, 455, 465, 476, 510, 527, 546, 556, 595, 620, 651, 663, 695, 714, 780, 806, 834, 868, 884, 910, 930, 973, 1020, 1054, 1085, 1092, 1105, 1190, 1209, 1302, 1326, 1365, 1390, 1428, 1547, 1581, 1612, 1668, 1785, 1807, 1820, 1860, 1946, 2015, 2085, 2108, 2170, 2210, 2363, 2380, 2418, 2604, 2635, 2652, 2730, 2780, 2821, 2919, 3094, 3162, 3255, 3315, 3570, 3614, 3689, 3892, 4030, 4170, 4309, 4340, 4420, 4641, 4726, 4836, 4865, 5270, 5421, 5460, 5642, 5838, 6045, 6188, 6324, 6510, 6630, 6851, 7089, 7140, 7228, 7378, 7735, 7905, 8060, 8340, 8463, 8618, 9035, 9282, 9452, 9730, 10540, 10842, 11067, 11284, 11676, 11815, 12090, 12649, 12927, 13020, 13260, 13702, 14105, 14178, 14595, 14756, 15470, 15810, 16541, 16926, 17236, 18070, 18445, 18564, 19460, 20553, 21545, 21684, 22134, 23205, 23630, 24180, 25298, 25854, 27105, 27404, 28210, 28356, 29190, 30163, 30719, 30940, 31620, 33082, 33852, 34255, 35445, 36140, 36890, 37947, 41106, 42315, 43090, 44268, 46410, 47260, 47957, 49623, 50596, 51708, 54210, 55335, 56017, 56420, 58380, 60326, 61438, 63245, 64635, 66164, 68510, 70890, 73253, 73780, 75894, 82212, 82705, 84630, 86180, 90489, 92157, 92820, 95914, 99246, 102765, 108420, 110670, 112034, 120652, 122876, 126490, 129270, 137020, 141780, 143871, 146506, 150815, 151788, 153595, 165410, 168051, 169260, 180978, 184314, 189735, 191828, 198492, 205530, 215033, 219759, 221340, 224068, 239785, 248115, 252980, 258540, 280085, 287742, 293012, 301630, 307190, 330820, 336102, 361956, 366265, 368628, 379470, 392119, 411060, 430066, 439518, 452445, 460785, 479570, 496230, 512771, 560170, 575484, 603260, 614380, 645099, 672204, 719355, 732530, 758940, 784238, 840255, 860132, 879036, 904890, 921570, 952289, 959140, 992460, 1025542, 1075165, 1098795, 1120340, 1176357, 1290198, 1438710, 1465060, 1538313, 1568476, 1680510, 1809780, 1843140, 1904578, 1960595, 2051084, 2150330, 2197590, 2352714, 2563855, 2580396, 2856867, 2877420, 3076626, 3225495, 3361020, 3809156, 3921190, 4300660, 4395180, 4705428, 4761445, 5127710, 5713734, 5881785, 6153252, 6450990, 6666023, 7691565, 7842380, 9522890, 10255420, 11427468, 11763570, 12901980, 13332046, 14284335, 15383130, 19045780, 19998069, 23527140, 26664092, 28568670, 30766260, 33330115, 39996138, 57137340, 66660230, 79992276, 99990345, 133320460, 199980690, 399961380]

約数ペア:

[(1, 399961380), (2, 199980690), (3, 133320460), (4, 99990345), (5, 79992276), (6, 66660230), (7, 57137340), (10, 39996138), (12, 33330115), (13, 30766260), (14, 28568670), (15, 26664092), (17, 23527140), (20, 19998069), (21, 19045780), (26, 15383130), (28, 14284335), (30, 13332046), (31, 12901980), (34, 11763570), (35, 11427468), (39, 10255420), (42, 9522890), (51, 7842380), (52, 7691565), (60, 6666023), (62, 6450990), (65, 6153252), (68, 5881785), (70, 5713734), (78, 5127710), (84, 4761445), (85, 4705428), (91, 4395180), (93, 4300660), (102, 3921190), (105, 3809156), (119, 3361020), (124, 3225495), (130, 3076626), (139, 2877420), (140, 2856867), (155, 2580396), (156, 2563855), (170, 2352714), (182, 2197590), (186, 2150330), (195, 2051084), (204, 1960595), (210, 1904578), (217, 1843140), (221, 1809780), (238, 1680510), (255, 1568476), (260, 1538313), (273, 1465060), (278, 1438710), (310, 1290198), (340, 1176357), (357, 1120340), (364, 1098795), (372, 1075165), (390, 1025542), (403, 992460), (417, 959140), (420, 952289), (434, 921570), (442, 904890), (455, 879036), (465, 860132), (476, 840255), (510, 784238), (527, 758940), (546, 732530), (556, 719355), (595, 672204), (620, 645099), (651, 614380), (663, 603260), (695, 575484), (714, 560170), (780, 512771), (806, 496230), (834, 479570), (868, 460785), (884, 452445), (910, 439518), (930, 430066), (973, 411060), (1020, 392119), (1054, 379470), (1085, 368628), (1092, 366265), (1105, 361956), (1190, 336102), (1209, 330820), (1302, 307190), (1326, 301630), (1365, 293012), (1390, 287742), (1428, 280085), (1547, 258540), (1581, 252980), (1612, 248115), (1668, 239785), (1785, 224068), (1807, 221340), (1820, 219759), (1860, 215033), (1946, 205530), (2015, 198492), (2085, 191828), (2108, 189735), (2170, 184314), (2210, 180978), (2363, 169260), (2380, 168051), (2418, 165410), (2604, 153595), (2635, 151788), (2652, 150815), (2730, 146506), (2780, 143871), (2821, 141780), (2919, 137020), (3094, 129270), (3162, 126490), (3255, 122876), (3315, 120652), (3570, 112034), (3614, 110670), (3689, 108420), (3892, 102765), (4030, 99246), (4170, 95914), (4309, 92820), (4340, 92157), (4420, 90489), (4641, 86180), (4726, 84630), (4836, 82705), (4865, 82212), (5270, 75894), (5421, 73780), (5460, 73253), (5642, 70890), (5838, 68510), (6045, 66164), (6188, 64635), (6324, 63245), (6510, 61438), (6630, 60326), (6851, 58380), (7089, 56420), (7140, 56017), (7228, 55335), (7378, 54210), (7735, 51708), (7905, 50596), (8060, 49623), (8340, 47957), (8463, 47260), (8618, 46410), (9035, 44268), (9282, 43090), (9452, 42315), (9730, 41106), (10540, 37947), (10842, 36890), (11067, 36140), (11284, 35445), (11676, 34255), (11815, 33852), (12090, 33082), (12649, 31620), (12927, 30940), (13020, 30719), (13260, 30163), (13702, 29190), (14105, 28356), (14178, 28210), (14595, 27404), (14756, 27105), (15470, 25854), (15810, 25298), (16541, 24180), (16926, 23630), (17236, 23205), (18070, 22134), (18445, 21684), (18564, 21545), (19460, 20553)]