30851660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{220369}}^1$

素因数の和:220385

約数の個数: 24

約数和(自身を含む): 74044320

約数和(自身を除く): 43192660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 220369, 440738, 881476, 1101845, 1542583, 2203690, 3085166, 4407380, 6170332, 7712915, 15425830, 30851660]

約数ペア:

[(1, 30851660), (2, 15425830), (4, 7712915), (5, 6170332), (7, 4407380), (10, 3085166), (14, 2203690), (20, 1542583), (28, 1101845), (35, 881476), (70, 440738), (140, 220369)]