156905800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:455

約数の個数: 96

約数和(自身を含む): 387921600

約数和(自身を除く): 231015800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 157, 190, 200, 263, 314, 380, 475, 526, 628, 760, 785, 950, 1052, 1256, 1315, 1570, 1900, 2104, 2630, 2983, 3140, 3800, 3925, 4997, 5260, 5966, 6280, 6575, 7850, 9994, 10520, 11932, 13150, 14915, 15700, 19988, 23864, 24985, 26300, 29830, 31400, 39976, 41291, 49970, 52600, 59660, 74575, 82582, 99940, 119320, 124925, 149150, 165164, 199880, 206455, 249850, 298300, 330328, 412910, 499700, 596600, 784529, 825820, 999400, 1032275, 1569058, 1651640, 2064550, 3138116, 3922645, 4129100, 6276232, 7845290, 8258200, 15690580, 19613225, 31381160, 39226450, 78452900, 156905800]

約数ペア:

[(1, 156905800), (2, 78452900), (4, 39226450), (5, 31381160), (8, 19613225), (10, 15690580), (19, 8258200), (20, 7845290), (25, 6276232), (38, 4129100), (40, 3922645), (50, 3138116), (76, 2064550), (95, 1651640), (100, 1569058), (152, 1032275), (157, 999400), (190, 825820), (200, 784529), (263, 596600), (314, 499700), (380, 412910), (475, 330328), (526, 298300), (628, 249850), (760, 206455), (785, 199880), (950, 165164), (1052, 149150), (1256, 124925), (1315, 119320), (1570, 99940), (1900, 82582), (2104, 74575), (2630, 59660), (2983, 52600), (3140, 49970), (3800, 41291), (3925, 39976), (4997, 31400), (5260, 29830), (5966, 26300), (6280, 24985), (6575, 23864), (7850, 19988), (9994, 15700), (10520, 14915), (11932, 13150)]