1216940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:937

約数の個数: 24

約数和(自身を含む): 2594592

約数和(自身を除く): 1377652

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 857, 1420, 1714, 3428, 4285, 8570, 17140, 60847, 121694, 243388, 304235, 608470, 1216940]

約数ペア:

[(1, 1216940), (2, 608470), (4, 304235), (5, 243388), (10, 121694), (20, 60847), (71, 17140), (142, 8570), (284, 4285), (355, 3428), (710, 1714), (857, 1420)]