168498620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{118661}}^1$

素因数の和:118741

約数の個数: 24

約数和(自身を含む): 358833888

約数和(自身を除く): 190335268

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 118661, 237322, 474644, 593305, 1186610, 2373220, 8424931, 16849862, 33699724, 42124655, 84249310, 168498620]

約数ペア:

[(1, 168498620), (2, 84249310), (4, 42124655), (5, 33699724), (10, 16849862), (20, 8424931), (71, 2373220), (142, 1186610), (284, 593305), (355, 474644), (710, 237322), (1420, 118661)]