30931580

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{4457}}^1$

素因数の和:4813

約数の個数: 24

約数和(自身を含む): 65158128

約数和(自身を除く): 34226548

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 3470, 4457, 6940, 8914, 17828, 22285, 44570, 89140, 1546579, 3093158, 6186316, 7732895, 15465790, 30931580]

約数ペア:

[(1, 30931580), (2, 15465790), (4, 7732895), (5, 6186316), (10, 3093158), (20, 1546579), (347, 89140), (694, 44570), (1388, 22285), (1735, 17828), (3470, 8914), (4457, 6940)]