1900535500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{88397}}^1$

素因数の和:88459

約数の個数: 48

約数和(自身を含む): 4247347104

約数和(自身を除く): 2346811604

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 430, 500, 860, 1075, 2150, 4300, 5375, 10750, 21500, 88397, 176794, 353588, 441985, 883970, 1767940, 2209925, 3801071, 4419850, 7602142, 8839700, 11049625, 15204284, 19005355, 22099250, 38010710, 44198500, 76021420, 95026775, 190053550, 380107100, 475133875, 950267750, 1900535500]

約数ペア:

[(1, 1900535500), (2, 950267750), (4, 475133875), (5, 380107100), (10, 190053550), (20, 95026775), (25, 76021420), (43, 44198500), (50, 38010710), (86, 22099250), (100, 19005355), (125, 15204284), (172, 11049625), (215, 8839700), (250, 7602142), (430, 4419850), (500, 3801071), (860, 2209925), (1075, 1767940), (2150, 883970), (4300, 441985), (5375, 353588), (10750, 176794), (21500, 88397)]