90258500

素因数分解:

$2^2\times 5^3\times {\mathrm{97}}^1\times {\mathrm{1861}}^1$

素因数の和:1977

約数の個数: 48

約数和(自身を含む): 199263792

約数和(自身を除く): 109005292

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 125, 194, 250, 388, 485, 500, 970, 1861, 1940, 2425, 3722, 4850, 7444, 9305, 9700, 12125, 18610, 24250, 37220, 46525, 48500, 93050, 180517, 186100, 232625, 361034, 465250, 722068, 902585, 930500, 1805170, 3610340, 4512925, 9025850, 18051700, 22564625, 45129250, 90258500]

約数ペア:

[(1, 90258500), (2, 45129250), (4, 22564625), (5, 18051700), (10, 9025850), (20, 4512925), (25, 3610340), (50, 1805170), (97, 930500), (100, 902585), (125, 722068), (194, 465250), (250, 361034), (388, 232625), (485, 186100), (500, 180517), (970, 93050), (1861, 48500), (1940, 46525), (2425, 37220), (3722, 24250), (4850, 18610), (7444, 12125), (9305, 9700)]