217660289740

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{27139687}}^1$

素因数の和:27140097

約数の個数: 24

約数和(自身を含む): 458226492192

約数和(自身を除く): 240566202452

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 27139687, 54279374, 108558748, 135698435, 271396870, 542793740, 10883014487, 21766028974, 43532057948, 54415072435, 108830144870, 217660289740]

約数ペア:

[(1, 217660289740), (2, 108830144870), (4, 54415072435), (5, 43532057948), (10, 21766028974), (20, 10883014487), (401, 542793740), (802, 271396870), (1604, 135698435), (2005, 108558748), (4010, 54279374), (8020, 27139687)]