30738620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139721}}^1$

素因数の和:139741

約数の個数: 24

約数和(自身を含む): 70419888

約数和(自身を除く): 39681268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 139721, 279442, 558884, 698605, 1397210, 1536931, 2794420, 3073862, 6147724, 7684655, 15369310, 30738620]

約数ペア:

[(1, 30738620), (2, 15369310), (4, 7684655), (5, 6147724), (10, 3073862), (11, 2794420), (20, 1536931), (22, 1397210), (44, 698605), (55, 558884), (110, 279442), (220, 139721)]