55310900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:753

約数の個数: 72

約数和(自身を含む): 129470880

約数和(自身を除く): 74159980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 172, 190, 215, 380, 430, 475, 677, 817, 860, 950, 1075, 1354, 1634, 1900, 2150, 2708, 3268, 3385, 4085, 4300, 6770, 8170, 12863, 13540, 16340, 16925, 20425, 25726, 29111, 33850, 40850, 51452, 58222, 64315, 67700, 81700, 116444, 128630, 145555, 257260, 291110, 321575, 553109, 582220, 643150, 727775, 1106218, 1286300, 1455550, 2212436, 2765545, 2911100, 5531090, 11062180, 13827725, 27655450, 55310900]

約数ペア:

[(1, 55310900), (2, 27655450), (4, 13827725), (5, 11062180), (10, 5531090), (19, 2911100), (20, 2765545), (25, 2212436), (38, 1455550), (43, 1286300), (50, 1106218), (76, 727775), (86, 643150), (95, 582220), (100, 553109), (172, 321575), (190, 291110), (215, 257260), (380, 145555), (430, 128630), (475, 116444), (677, 81700), (817, 67700), (860, 64315), (950, 58222), (1075, 51452), (1354, 40850), (1634, 33850), (1900, 29111), (2150, 25726), (2708, 20425), (3268, 16925), (3385, 16340), (4085, 13540), (4300, 12863), (6770, 8170)]