744978020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{368801}}^1$

素因数の和:368911

約数の個数: 24

約数和(自身を含む): 1579947768

約数和(自身を除く): 834969748

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 368801, 737602, 1475204, 1844005, 3688010, 7376020, 37248901, 74497802, 148995604, 186244505, 372489010, 744978020]

約数ペア:

[(1, 744978020), (2, 372489010), (4, 186244505), (5, 148995604), (10, 74497802), (20, 37248901), (101, 7376020), (202, 3688010), (404, 1844005), (505, 1475204), (1010, 737602), (2020, 368801)]