258621580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1847297}}^1$

素因数の和:1847313

約数の個数: 24

約数和(自身を含む): 620692128

約数和(自身を除く): 362070548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1847297, 3694594, 7389188, 9236485, 12931079, 18472970, 25862158, 36945940, 51724316, 64655395, 129310790, 258621580]

約数ペア:

[(1, 258621580), (2, 129310790), (4, 64655395), (5, 51724316), (7, 36945940), (10, 25862158), (14, 18472970), (20, 12931079), (28, 9236485), (35, 7389188), (70, 3694594), (140, 1847297)]