2890690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2389}}^1$

素因数の和:2418

約数の個数: 24

約数和(自身を含む): 5721660

約数和(自身を除く): 2830970

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 2389, 4778, 11945, 23890, 26279, 52558, 131395, 262790, 289069, 578138, 1445345, 2890690]

約数ペア:

[(1, 2890690), (2, 1445345), (5, 578138), (10, 289069), (11, 262790), (22, 131395), (55, 52558), (110, 26279), (121, 23890), (242, 11945), (605, 4778), (1210, 2389)]