320467972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{443}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 629705664

約数和(自身を除く): 309237692

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 401, 443, 451, 802, 886, 902, 1604, 1772, 1804, 4411, 4873, 8822, 9746, 16441, 17644, 18163, 19492, 32882, 36326, 65764, 72652, 177643, 180851, 199793, 355286, 361702, 399586, 710572, 723404, 799172, 1954073, 3908146, 7283363, 7816292, 14566726, 29133452, 80116993, 160233986, 320467972]

約数ペア:

[(1, 320467972), (2, 160233986), (4, 80116993), (11, 29133452), (22, 14566726), (41, 7816292), (44, 7283363), (82, 3908146), (164, 1954073), (401, 799172), (443, 723404), (451, 710572), (802, 399586), (886, 361702), (902, 355286), (1604, 199793), (1772, 180851), (1804, 177643), (4411, 72652), (4873, 65764), (8822, 36326), (9746, 32882), (16441, 19492), (17644, 18163)]