478927720

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{751}}^1$

素因数の和:1018

約数の個数: 64

約数和(自身を含む): 1096416000

約数和(自身を除く): 617488280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 149, 214, 298, 428, 535, 596, 745, 751, 856, 1070, 1192, 1490, 1502, 2140, 2980, 3004, 3755, 4280, 5960, 6008, 7510, 15020, 15943, 30040, 31886, 63772, 79715, 80357, 111899, 127544, 159430, 160714, 223798, 318860, 321428, 401785, 447596, 559495, 637720, 642856, 803570, 895192, 1118990, 1607140, 2237980, 3214280, 4475960, 11973193, 23946386, 47892772, 59865965, 95785544, 119731930, 239463860, 478927720]

約数ペア:

[(1, 478927720), (2, 239463860), (4, 119731930), (5, 95785544), (8, 59865965), (10, 47892772), (20, 23946386), (40, 11973193), (107, 4475960), (149, 3214280), (214, 2237980), (298, 1607140), (428, 1118990), (535, 895192), (596, 803570), (745, 642856), (751, 637720), (856, 559495), (1070, 447596), (1192, 401785), (1490, 321428), (1502, 318860), (2140, 223798), (2980, 160714), (3004, 159430), (3755, 127544), (4280, 111899), (5960, 80357), (6008, 79715), (7510, 63772), (15020, 31886), (15943, 30040)]