217540910

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{2039}}^1$

素因数の和:2320

約数の個数: 32

約数和(自身を含む): 401863680

約数和(自身を除く): 184322770

約数列:

[1, 2, 5, 10, 47, 94, 227, 235, 454, 470, 1135, 2039, 2270, 4078, 10195, 10669, 20390, 21338, 53345, 95833, 106690, 191666, 462853, 479165, 925706, 958330, 2314265, 4628530, 21754091, 43508182, 108770455, 217540910]

約数ペア:

[(1, 217540910), (2, 108770455), (5, 43508182), (10, 21754091), (47, 4628530), (94, 2314265), (227, 958330), (235, 925706), (454, 479165), (470, 462853), (1135, 191666), (2039, 106690), (2270, 95833), (4078, 53345), (10195, 21338), (10669, 20390)]