218350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:420

約数の個数: 24

約数和(自身を含む): 444168

約数和(自身を除く): 225818

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 397, 550, 794, 1985, 3970, 4367, 8734, 9925, 19850, 21835, 43670, 109175, 218350]

約数ペア:

[(1, 218350), (2, 109175), (5, 43670), (10, 21835), (11, 19850), (22, 9925), (25, 8734), (50, 4367), (55, 3970), (110, 1985), (275, 794), (397, 550)]