30709580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139589}}^1$

素因数の和:139609

約数の個数: 24

約数和(自身を含む): 70353360

約数和(自身を除く): 39643780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 139589, 279178, 558356, 697945, 1395890, 1535479, 2791780, 3070958, 6141916, 7677395, 15354790, 30709580]

約数ペア:

[(1, 30709580), (2, 15354790), (4, 7677395), (5, 6141916), (10, 3070958), (11, 2791780), (20, 1535479), (22, 1395890), (44, 697945), (55, 558356), (110, 279178), (220, 139589)]