3780400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{727}}^1$

素因数の和:758

約数の個数: 60

約数和(自身を含む): 9794512

約数和(自身を除く): 6014112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 727, 1040, 1300, 1454, 2600, 2908, 3635, 5200, 5816, 7270, 9451, 11632, 14540, 18175, 18902, 29080, 36350, 37804, 47255, 58160, 72700, 75608, 94510, 145400, 151216, 189020, 236275, 290800, 378040, 472550, 756080, 945100, 1890200, 3780400]

約数ペア:

[(1, 3780400), (2, 1890200), (4, 945100), (5, 756080), (8, 472550), (10, 378040), (13, 290800), (16, 236275), (20, 189020), (25, 151216), (26, 145400), (40, 94510), (50, 75608), (52, 72700), (65, 58160), (80, 47255), (100, 37804), (104, 36350), (130, 29080), (200, 18902), (208, 18175), (260, 14540), (325, 11632), (400, 9451), (520, 7270), (650, 5816), (727, 5200), (1040, 3635), (1300, 2908), (1454, 2600)]