1129420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 2394000

約数和(自身を除く): 1264580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 379, 596, 745, 758, 1490, 1516, 1895, 2980, 3790, 7580, 56471, 112942, 225884, 282355, 564710, 1129420]

約数ペア:

[(1, 1129420), (2, 564710), (4, 282355), (5, 225884), (10, 112942), (20, 56471), (149, 7580), (298, 3790), (379, 2980), (596, 1895), (745, 1516), (758, 1490)]