305427820

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{26839}}^1$

素因数の和:27417

約数の個数: 24

約数和(自身を含む): 642549600

約数和(自身を除く): 337121780

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 2276, 2845, 5690, 11380, 26839, 53678, 107356, 134195, 268390, 536780, 15271391, 30542782, 61085564, 76356955, 152713910, 305427820]

約数ペア:

[(1, 305427820), (2, 152713910), (4, 76356955), (5, 61085564), (10, 30542782), (20, 15271391), (569, 536780), (1138, 268390), (2276, 134195), (2845, 107356), (5690, 53678), (11380, 26839)]