74439020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{857}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 161729568

約数和(自身を除く): 87290548

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 101, 172, 202, 215, 404, 430, 505, 857, 860, 1010, 1714, 2020, 3428, 4285, 4343, 8570, 8686, 17140, 17372, 21715, 36851, 43430, 73702, 86557, 86860, 147404, 173114, 184255, 346228, 368510, 432785, 737020, 865570, 1731140, 3721951, 7443902, 14887804, 18609755, 37219510, 74439020]

約数ペア:

[(1, 74439020), (2, 37219510), (4, 18609755), (5, 14887804), (10, 7443902), (20, 3721951), (43, 1731140), (86, 865570), (101, 737020), (172, 432785), (202, 368510), (215, 346228), (404, 184255), (430, 173114), (505, 147404), (857, 86860), (860, 86557), (1010, 73702), (1714, 43430), (2020, 36851), (3428, 21715), (4285, 17372), (4343, 17140), (8570, 8686)]