30185980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137209}}^1$

素因数の和:137229

約数の個数: 24

約数和(自身を含む): 69153840

約数和(自身を除く): 38967860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 137209, 274418, 548836, 686045, 1372090, 1509299, 2744180, 3018598, 6037196, 7546495, 15092990, 30185980]

約数ペア:

[(1, 30185980), (2, 15092990), (4, 7546495), (5, 6037196), (10, 3018598), (11, 2744180), (20, 1509299), (22, 1372090), (44, 686045), (55, 548836), (110, 274418), (220, 137209)]