140171420

素因数分解:

$2^2\times 5^1\times {\mathrm{2213}}^1\times {\mathrm{3167}}^1$

素因数の和:5389

約数の個数: 24

約数和(自身を含む): 294585984

約数和(自身を除く): 154414564

約数列:

[1, 2, 4, 5, 10, 20, 2213, 3167, 4426, 6334, 8852, 11065, 12668, 15835, 22130, 31670, 44260, 63340, 7008571, 14017142, 28034284, 35042855, 70085710, 140171420]

約数ペア:

[(1, 140171420), (2, 70085710), (4, 35042855), (5, 28034284), (10, 14017142), (20, 7008571), (2213, 63340), (3167, 44260), (4426, 31670), (6334, 22130), (8852, 15835), (11065, 12668)]