90302000

素因数分解:

$2^4\times 5^3\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:463

約数の個数: 80

約数和(自身を含む): 220482912

約数和(自身を除く): 130180912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 163, 200, 250, 277, 326, 400, 500, 554, 652, 815, 1000, 1108, 1304, 1385, 1630, 2000, 2216, 2608, 2770, 3260, 4075, 4432, 5540, 6520, 6925, 8150, 11080, 13040, 13850, 16300, 20375, 22160, 27700, 32600, 34625, 40750, 45151, 55400, 65200, 69250, 81500, 90302, 110800, 138500, 163000, 180604, 225755, 277000, 326000, 361208, 451510, 554000, 722416, 903020, 1128775, 1806040, 2257550, 3612080, 4515100, 5643875, 9030200, 11287750, 18060400, 22575500, 45151000, 90302000]

約数ペア:

[(1, 90302000), (2, 45151000), (4, 22575500), (5, 18060400), (8, 11287750), (10, 9030200), (16, 5643875), (20, 4515100), (25, 3612080), (40, 2257550), (50, 1806040), (80, 1128775), (100, 903020), (125, 722416), (163, 554000), (200, 451510), (250, 361208), (277, 326000), (326, 277000), (400, 225755), (500, 180604), (554, 163000), (652, 138500), (815, 110800), (1000, 90302), (1108, 81500), (1304, 69250), (1385, 65200), (1630, 55400), (2000, 45151), (2216, 40750), (2608, 34625), (2770, 32600), (3260, 27700), (4075, 22160), (4432, 20375), (5540, 16300), (6520, 13850), (6925, 13040), (8150, 11080)]