177590020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{121637}}^1$

素因数の和:121719

約数の個数: 24

約数和(自身を含む): 378050904

約数和(自身を除く): 200460884

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 121637, 243274, 486548, 608185, 1216370, 2432740, 8879501, 17759002, 35518004, 44397505, 88795010, 177590020]

約数ペア:

[(1, 177590020), (2, 88795010), (4, 44397505), (5, 35518004), (10, 17759002), (20, 8879501), (73, 2432740), (146, 1216370), (292, 608185), (365, 486548), (730, 243274), (1460, 121637)]