3778640

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:479

約数の個数: 40

約数和(自身を含む): 8872200

約数和(自身を除く): 5093560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 317, 596, 634, 745, 1192, 1268, 1490, 1585, 2384, 2536, 2980, 3170, 5072, 5960, 6340, 11920, 12680, 25360, 47233, 94466, 188932, 236165, 377864, 472330, 755728, 944660, 1889320, 3778640]

約数ペア:

[(1, 3778640), (2, 1889320), (4, 944660), (5, 755728), (8, 472330), (10, 377864), (16, 236165), (20, 188932), (40, 94466), (80, 47233), (149, 25360), (298, 12680), (317, 11920), (596, 6340), (634, 5960), (745, 5072), (1192, 3170), (1268, 2980), (1490, 2536), (1585, 2384)]