345340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 749952

約数和(自身を除く): 404612

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 557, 620, 1114, 2228, 2785, 5570, 11140, 17267, 34534, 69068, 86335, 172670, 345340]

約数ペア:

[(1, 345340), (2, 172670), (4, 86335), (5, 69068), (10, 34534), (20, 17267), (31, 11140), (62, 5570), (124, 2785), (155, 2228), (310, 1114), (557, 620)]