85153180

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{12413}}^1$

素因数の和:12443

約数の個数: 48

約数和(自身を含む): 208555200

約数和(自身を除く): 123402020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 12413, 24826, 49652, 62065, 86891, 124130, 173782, 248260, 347564, 434455, 608237, 868910, 1216474, 1737820, 2432948, 3041185, 4257659, 6082370, 8515318, 12164740, 17030636, 21288295, 42576590, 85153180]

約数ペア:

[(1, 85153180), (2, 42576590), (4, 21288295), (5, 17030636), (7, 12164740), (10, 8515318), (14, 6082370), (20, 4257659), (28, 3041185), (35, 2432948), (49, 1737820), (70, 1216474), (98, 868910), (140, 608237), (196, 434455), (245, 347564), (343, 248260), (490, 173782), (686, 124130), (980, 86891), (1372, 62065), (1715, 49652), (3430, 24826), (6860, 12413)]