30821890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{280199}}^1$

素因数の和:280217

約数の個数: 16

約数和(自身を含む): 60523200

約数和(自身を除く): 29701310

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 280199, 560398, 1400995, 2801990, 3082189, 6164378, 15410945, 30821890]

約数ペア:

[(1, 30821890), (2, 15410945), (5, 6164378), (10, 3082189), (11, 2801990), (22, 1400995), (55, 560398), (110, 280199)]