30865780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{457}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 71096256

約数和(自身を除く): 40230476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 307, 457, 614, 914, 1228, 1535, 1828, 2285, 3070, 3377, 4570, 5027, 6140, 6754, 9140, 10054, 13508, 16885, 20108, 25135, 33770, 50270, 67540, 100540, 140299, 280598, 561196, 701495, 1402990, 1543289, 2805980, 3086578, 6173156, 7716445, 15432890, 30865780]

約数ペア:

[(1, 30865780), (2, 15432890), (4, 7716445), (5, 6173156), (10, 3086578), (11, 2805980), (20, 1543289), (22, 1402990), (44, 701495), (55, 561196), (110, 280598), (220, 140299), (307, 100540), (457, 67540), (614, 50270), (914, 33770), (1228, 25135), (1535, 20108), (1828, 16885), (2285, 13508), (3070, 10054), (3377, 9140), (4570, 6754), (5027, 6140)]