538180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 1149120

約数和(自身を除く): 610940

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 379, 710, 758, 1420, 1516, 1895, 3790, 7580, 26909, 53818, 107636, 134545, 269090, 538180]

約数ペア:

[(1, 538180), (2, 269090), (4, 134545), (5, 107636), (10, 53818), (20, 26909), (71, 7580), (142, 3790), (284, 1895), (355, 1516), (379, 1420), (710, 758)]