2780570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 5482512

約数和(自身を除く): 2701942

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 293, 365, 586, 730, 949, 1465, 1898, 2930, 3809, 4745, 7618, 9490, 19045, 21389, 38090, 42778, 106945, 213890, 278057, 556114, 1390285, 2780570]

約数ペア:

[(1, 2780570), (2, 1390285), (5, 556114), (10, 278057), (13, 213890), (26, 106945), (65, 42778), (73, 38090), (130, 21389), (146, 19045), (293, 9490), (365, 7618), (586, 4745), (730, 3809), (949, 2930), (1465, 1898)]