131334515740

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1\times {\mathrm{163771}}^1$

素因数の和:164278

約数の個数: 48

約数和(自身を含む): 279236500704

約数和(自身を除く): 147901984964

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 397, 404, 505, 794, 1010, 1588, 1985, 2020, 3970, 7940, 40097, 80194, 160388, 163771, 200485, 327542, 400970, 655084, 801940, 818855, 1637710, 3275420, 16540871, 33081742, 65017087, 66163484, 82704355, 130034174, 165408710, 260068348, 325085435, 330817420, 650170870, 1300341740, 6566725787, 13133451574, 26266903148, 32833628935, 65667257870, 131334515740]

約数ペア:

[(1, 131334515740), (2, 65667257870), (4, 32833628935), (5, 26266903148), (10, 13133451574), (20, 6566725787), (101, 1300341740), (202, 650170870), (397, 330817420), (404, 325085435), (505, 260068348), (794, 165408710), (1010, 130034174), (1588, 82704355), (1985, 66163484), (2020, 65017087), (3970, 33081742), (7940, 16540871), (40097, 3275420), (80194, 1637710), (160388, 818855), (163771, 801940), (200485, 655084), (327542, 400970)]