70713220

素因数分解:

$2^2\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{1931}}^1$

素因数の和:3771

約数の個数: 24

約数和(自身を含む): 148655808

約数和(自身を除く): 77942588

約数列:

[1, 2, 4, 5, 10, 20, 1831, 1931, 3662, 3862, 7324, 7724, 9155, 9655, 18310, 19310, 36620, 38620, 3535661, 7071322, 14142644, 17678305, 35356610, 70713220]

約数ペア:

[(1, 70713220), (2, 35356610), (4, 17678305), (5, 14142644), (10, 7071322), (20, 3535661), (1831, 38620), (1931, 36620), (3662, 19310), (3862, 18310), (7324, 9655), (7724, 9155)]