421707940

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{75037}}^1$

素因数の和:75327

約数の個数: 24

約数和(自身を含む): 888750072

約数和(自身を除く): 467042132

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 75037, 150074, 300148, 375185, 750370, 1500740, 21085397, 42170794, 84341588, 105426985, 210853970, 421707940]

約数ペア:

[(1, 421707940), (2, 210853970), (4, 105426985), (5, 84341588), (10, 42170794), (20, 21085397), (281, 1500740), (562, 750370), (1124, 375185), (1405, 300148), (2810, 150074), (5620, 75037)]