312857540

素因数分解:

$2^2\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{7517}}^1$

素因数の和:9607

約数の個数: 24

約数和(自身を含む): 657403992

約数和(自身を除く): 344546452

約数列:

[1, 2, 4, 5, 10, 20, 2081, 4162, 7517, 8324, 10405, 15034, 20810, 30068, 37585, 41620, 75170, 150340, 15642877, 31285754, 62571508, 78214385, 156428770, 312857540]

約数ペア:

[(1, 312857540), (2, 156428770), (4, 78214385), (5, 62571508), (10, 31285754), (20, 15642877), (2081, 150340), (4162, 75170), (7517, 41620), (8324, 37585), (10405, 30068), (15034, 20810)]