408429220

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{130073}}^1$

素因数の和:130239

約数の個数: 24

約数和(自身を含む): 863171064

約数和(自身を除く): 454741844

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 130073, 260146, 520292, 650365, 1300730, 2601460, 20421461, 40842922, 81685844, 102107305, 204214610, 408429220]

約数ペア:

[(1, 408429220), (2, 204214610), (4, 102107305), (5, 81685844), (10, 40842922), (20, 20421461), (157, 2601460), (314, 1300730), (628, 650365), (785, 520292), (1570, 260146), (3140, 130073)]