128316860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{5623}}^1$

素因数の和:5802

約数の個数: 48

約数和(自身を含む): 309904896

約数和(自身を除く): 181588036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 4564, 5623, 5705, 11246, 11410, 22492, 22820, 28115, 39361, 56230, 78722, 112460, 157444, 196805, 393610, 787220, 916549, 1833098, 3666196, 4582745, 6415843, 9165490, 12831686, 18330980, 25663372, 32079215, 64158430, 128316860]

約数ペア:

[(1, 128316860), (2, 64158430), (4, 32079215), (5, 25663372), (7, 18330980), (10, 12831686), (14, 9165490), (20, 6415843), (28, 4582745), (35, 3666196), (70, 1833098), (140, 916549), (163, 787220), (326, 393610), (652, 196805), (815, 157444), (1141, 112460), (1630, 78722), (2282, 56230), (3260, 39361), (4564, 28115), (5623, 22820), (5705, 22492), (11246, 11410)]