458172940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{1051}}^1$

素因数の和:1438

約数の個数: 48

約数和(自身を含む): 979824384

約数和(自身を除く): 521651444

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 307, 355, 614, 710, 1051, 1228, 1420, 1535, 2102, 3070, 4204, 5255, 6140, 10510, 21020, 21797, 43594, 74621, 87188, 108985, 149242, 217970, 298484, 322657, 373105, 435940, 645314, 746210, 1290628, 1492420, 1613285, 3226570, 6453140, 22908647, 45817294, 91634588, 114543235, 229086470, 458172940]

約数ペア:

[(1, 458172940), (2, 229086470), (4, 114543235), (5, 91634588), (10, 45817294), (20, 22908647), (71, 6453140), (142, 3226570), (284, 1613285), (307, 1492420), (355, 1290628), (614, 746210), (710, 645314), (1051, 435940), (1228, 373105), (1420, 322657), (1535, 298484), (2102, 217970), (3070, 149242), (4204, 108985), (5255, 87188), (6140, 74621), (10510, 43594), (21020, 21797)]