356732020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{1499}}^1$

素因数の和:1744

約数の個数: 48

約数和(自身を含む): 764568000

約数和(自身を除く): 407835980

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 163, 292, 326, 365, 652, 730, 815, 1460, 1499, 1630, 2998, 3260, 5996, 7495, 11899, 14990, 23798, 29980, 47596, 59495, 109427, 118990, 218854, 237980, 244337, 437708, 488674, 547135, 977348, 1094270, 1221685, 2188540, 2443370, 4886740, 17836601, 35673202, 71346404, 89183005, 178366010, 356732020]

約数ペア:

[(1, 356732020), (2, 178366010), (4, 89183005), (5, 71346404), (10, 35673202), (20, 17836601), (73, 4886740), (146, 2443370), (163, 2188540), (292, 1221685), (326, 1094270), (365, 977348), (652, 547135), (730, 488674), (815, 437708), (1460, 244337), (1499, 237980), (1630, 218854), (2998, 118990), (3260, 109427), (5996, 59495), (7495, 47596), (11899, 29980), (14990, 23798)]