30851480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70117}}^1$

素因数の和:70139

約数の個数: 32

約数和(自身を含む): 75727440

約数和(自身を除く): 44875960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 70117, 140234, 280468, 350585, 560936, 701170, 771287, 1402340, 1542574, 2804680, 3085148, 3856435, 6170296, 7712870, 15425740, 30851480]

約数ペア:

[(1, 30851480), (2, 15425740), (4, 7712870), (5, 6170296), (8, 3856435), (10, 3085148), (11, 2804680), (20, 1542574), (22, 1402340), (40, 771287), (44, 701170), (55, 560936), (88, 350585), (110, 280468), (220, 140234), (440, 70117)]