72777500

素因数分解:

$2^2\times 5^4\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:744

約数の個数: 60

約数和(自身を含む): 163091544

約数和(自身を除く): 90314044

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 430, 500, 625, 677, 860, 1075, 1250, 1354, 2150, 2500, 2708, 3385, 4300, 5375, 6770, 10750, 13540, 16925, 21500, 26875, 29111, 33850, 53750, 58222, 67700, 84625, 107500, 116444, 145555, 169250, 291110, 338500, 423125, 582220, 727775, 846250, 1455550, 1692500, 2911100, 3638875, 7277750, 14555500, 18194375, 36388750, 72777500]

約数ペア:

[(1, 72777500), (2, 36388750), (4, 18194375), (5, 14555500), (10, 7277750), (20, 3638875), (25, 2911100), (43, 1692500), (50, 1455550), (86, 846250), (100, 727775), (125, 582220), (172, 423125), (215, 338500), (250, 291110), (430, 169250), (500, 145555), (625, 116444), (677, 107500), (860, 84625), (1075, 67700), (1250, 58222), (1354, 53750), (2150, 33850), (2500, 29111), (2708, 26875), (3385, 21500), (4300, 16925), (5375, 13540), (6770, 10750)]