539380

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 1146600

約数和(自身を除く): 607220

約数列:

[1, 2, 4, 5, 10, 20, 149, 181, 298, 362, 596, 724, 745, 905, 1490, 1810, 2980, 3620, 26969, 53938, 107876, 134845, 269690, 539380]

約数ペア:

[(1, 539380), (2, 269690), (4, 134845), (5, 107876), (10, 53938), (20, 26969), (149, 3620), (181, 2980), (298, 1810), (362, 1490), (596, 905), (724, 745)]