397551440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:146

約数の個数: 320

約数和(自身を含む): 1199923200

約数和(自身を除く): 802371760

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 31, 38, 40, 44, 52, 55, 59, 62, 65, 76, 80, 88, 95, 104, 110, 118, 124, 130, 143, 152, 155, 176, 190, 208, 209, 220, 236, 247, 248, 260, 286, 295, 304, 310, 341, 380, 403, 418, 440, 472, 494, 496, 520, 572, 589, 590, 620, 649, 682, 715, 760, 767, 806, 836, 880, 944, 988, 1040, 1045, 1121, 1144, 1178, 1180, 1235, 1240, 1298, 1364, 1430, 1520, 1534, 1612, 1672, 1705, 1829, 1976, 2015, 2090, 2242, 2288, 2356, 2360, 2470, 2480, 2596, 2717, 2728, 2860, 2945, 3068, 3224, 3245, 3344, 3410, 3658, 3835, 3952, 4030, 4180, 4433, 4484, 4712, 4720, 4940, 5192, 5434, 5456, 5605, 5720, 5890, 6136, 6448, 6479, 6490, 6820, 7316, 7657, 7670, 8060, 8360, 8437, 8866, 8968, 9145, 9424, 9880, 10384, 10868, 11210, 11440, 11780, 12272, 12331, 12958, 12980, 13585, 13640, 14573, 14632, 15314, 15340, 16120, 16720, 16874, 17732, 17936, 18290, 19760, 20119, 21736, 22165, 22420, 23560, 23777, 24662, 25916, 25960, 27170, 27280, 29146, 29264, 30628, 30680, 32240, 32395, 33748, 34751, 35464, 36580, 38285, 40238, 42185, 43472, 44330, 44840, 47120, 47554, 49324, 51832, 51920, 54340, 58292, 61256, 61360, 61655, 64790, 67496, 69502, 70928, 72865, 73160, 76570, 80476, 84227, 84370, 88660, 89680, 95108, 98648, 100595, 103664, 108680, 116584, 118885, 122512, 123310, 129580, 134992, 139004, 145730, 146320, 153140, 160303, 160952, 168454, 168740, 173755, 177320, 190216, 197296, 201190, 217360, 233168, 237770, 246620, 259160, 261547, 278008, 291460, 306280, 320606, 321904, 336908, 337480, 347510, 354640, 380432, 382261, 402380, 421135, 451763, 475540, 493240, 518320, 523094, 556016, 582920, 612560, 641212, 673816, 674960, 695020, 764522, 801515, 804760, 842270, 903526, 951080, 986480, 1046188, 1165840, 1282424, 1307735, 1347632, 1390040, 1529044, 1603030, 1609520, 1684540, 1807052, 1902160, 1911305, 2092376, 2258815, 2564848, 2615470, 2780080, 3058088, 3206060, 3369080, 3614104, 3822610, 4184752, 4517630, 4969393, 5230940, 6116176, 6412120, 6738160, 7228208, 7645220, 9035260, 9938786, 10461880, 12824240, 15290440, 18070520, 19877572, 20923760, 24846965, 30580880, 36141040, 39755144, 49693930, 79510288, 99387860, 198775720, 397551440]

約数ペア:

[(1, 397551440), (2, 198775720), (4, 99387860), (5, 79510288), (8, 49693930), (10, 39755144), (11, 36141040), (13, 30580880), (16, 24846965), (19, 20923760), (20, 19877572), (22, 18070520), (26, 15290440), (31, 12824240), (38, 10461880), (40, 9938786), (44, 9035260), (52, 7645220), (55, 7228208), (59, 6738160), (62, 6412120), (65, 6116176), (76, 5230940), (80, 4969393), (88, 4517630), (95, 4184752), (104, 3822610), (110, 3614104), (118, 3369080), (124, 3206060), (130, 3058088), (143, 2780080), (152, 2615470), (155, 2564848), (176, 2258815), (190, 2092376), (208, 1911305), (209, 1902160), (220, 1807052), (236, 1684540), (247, 1609520), (248, 1603030), (260, 1529044), (286, 1390040), (295, 1347632), (304, 1307735), (310, 1282424), (341, 1165840), (380, 1046188), (403, 986480), (418, 951080), (440, 903526), (472, 842270), (494, 804760), (496, 801515), (520, 764522), (572, 695020), (589, 674960), (590, 673816), (620, 641212), (649, 612560), (682, 582920), (715, 556016), (760, 523094), (767, 518320), (806, 493240), (836, 475540), (880, 451763), (944, 421135), (988, 402380), (1040, 382261), (1045, 380432), (1121, 354640), (1144, 347510), (1178, 337480), (1180, 336908), (1235, 321904), (1240, 320606), (1298, 306280), (1364, 291460), (1430, 278008), (1520, 261547), (1534, 259160), (1612, 246620), (1672, 237770), (1705, 233168), (1829, 217360), (1976, 201190), (2015, 197296), (2090, 190216), (2242, 177320), (2288, 173755), (2356, 168740), (2360, 168454), (2470, 160952), (2480, 160303), (2596, 153140), (2717, 146320), (2728, 145730), (2860, 139004), (2945, 134992), (3068, 129580), (3224, 123310), (3245, 122512), (3344, 118885), (3410, 116584), (3658, 108680), (3835, 103664), (3952, 100595), (4030, 98648), (4180, 95108), (4433, 89680), (4484, 88660), (4712, 84370), (4720, 84227), (4940, 80476), (5192, 76570), (5434, 73160), (5456, 72865), (5605, 70928), (5720, 69502), (5890, 67496), (6136, 64790), (6448, 61655), (6479, 61360), (6490, 61256), (6820, 58292), (7316, 54340), (7657, 51920), (7670, 51832), (8060, 49324), (8360, 47554), (8437, 47120), (8866, 44840), (8968, 44330), (9145, 43472), (9424, 42185), (9880, 40238), (10384, 38285), (10868, 36580), (11210, 35464), (11440, 34751), (11780, 33748), (12272, 32395), (12331, 32240), (12958, 30680), (12980, 30628), (13585, 29264), (13640, 29146), (14573, 27280), (14632, 27170), (15314, 25960), (15340, 25916), (16120, 24662), (16720, 23777), (16874, 23560), (17732, 22420), (17936, 22165), (18290, 21736), (19760, 20119)]