221060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1579}}^1$

素因数の和:1595

約数の個数: 24

約数和(自身を含む): 530880

約数和(自身を除く): 309820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1579, 3158, 6316, 7895, 11053, 15790, 22106, 31580, 44212, 55265, 110530, 221060]

約数ペア:

[(1, 221060), (2, 110530), (4, 55265), (5, 44212), (7, 31580), (10, 22106), (14, 15790), (20, 11053), (28, 7895), (35, 6316), (70, 3158), (140, 1579)]