227157020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{991}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 487135488

約数和(自身を除く): 259978468

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 157, 292, 314, 365, 628, 730, 785, 991, 1460, 1570, 1982, 3140, 3964, 4955, 9910, 11461, 19820, 22922, 45844, 57305, 72343, 114610, 144686, 155587, 229220, 289372, 311174, 361715, 622348, 723430, 777935, 1446860, 1555870, 3111740, 11357851, 22715702, 45431404, 56789255, 113578510, 227157020]

約数ペア:

[(1, 227157020), (2, 113578510), (4, 56789255), (5, 45431404), (10, 22715702), (20, 11357851), (73, 3111740), (146, 1555870), (157, 1446860), (292, 777935), (314, 723430), (365, 622348), (628, 361715), (730, 311174), (785, 289372), (991, 229220), (1460, 155587), (1570, 144686), (1982, 114610), (3140, 72343), (3964, 57305), (4955, 45844), (9910, 22922), (11461, 19820)]