207323710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{18661}}^1$

素因数の和:18780

約数の個数: 32

約数和(自身を含む): 411161184

約数和(自身を除く): 203837474

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 2222, 5555, 11110, 18661, 37322, 93305, 186610, 205271, 410542, 1026355, 1884761, 2052710, 3769522, 9423805, 18847610, 20732371, 41464742, 103661855, 207323710]

約数ペア:

[(1, 207323710), (2, 103661855), (5, 41464742), (10, 20732371), (11, 18847610), (22, 9423805), (55, 3769522), (101, 2052710), (110, 1884761), (202, 1026355), (505, 410542), (1010, 205271), (1111, 186610), (2222, 93305), (5555, 37322), (11110, 18661)]