430017820

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{51071}}^1$

素因数の和:51501

約数の個数: 24

約数和(自身を含む): 905200128

約数和(自身を除く): 475182308

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 51071, 102142, 204284, 255355, 510710, 1021420, 21500891, 43001782, 86003564, 107504455, 215008910, 430017820]

約数ペア:

[(1, 430017820), (2, 215008910), (4, 107504455), (5, 86003564), (10, 43001782), (20, 21500891), (421, 1021420), (842, 510710), (1684, 255355), (2105, 204284), (4210, 102142), (8420, 51071)]