69949820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 151536000

約数和(自身を除く): 81586180

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 163, 172, 215, 326, 430, 499, 652, 815, 860, 998, 1630, 1996, 2495, 3260, 4990, 7009, 9980, 14018, 21457, 28036, 35045, 42914, 70090, 81337, 85828, 107285, 140180, 162674, 214570, 325348, 406685, 429140, 813370, 1626740, 3497491, 6994982, 13989964, 17487455, 34974910, 69949820]

約数ペア:

[(1, 69949820), (2, 34974910), (4, 17487455), (5, 13989964), (10, 6994982), (20, 3497491), (43, 1626740), (86, 813370), (163, 429140), (172, 406685), (215, 325348), (326, 214570), (430, 162674), (499, 140180), (652, 107285), (815, 85828), (860, 81337), (998, 70090), (1630, 42914), (1996, 35045), (2495, 28036), (3260, 21457), (4990, 14018), (7009, 9980)]