30610940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21557}}^1$

素因数の和:21637

約数の個数: 24

約数和(自身を含む): 65191392

約数和(自身を除く): 34580452

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 21557, 43114, 86228, 107785, 215570, 431140, 1530547, 3061094, 6122188, 7652735, 15305470, 30610940]

約数ペア:

[(1, 30610940), (2, 15305470), (4, 7652735), (5, 6122188), (10, 3061094), (20, 1530547), (71, 431140), (142, 215570), (284, 107785), (355, 86228), (710, 43114), (1420, 21557)]