408075620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{8191}}^1$

素因数の和:8300

約数の個数: 48

約数和(自身を含む): 891813888

約数和(自身を除く): 483738268

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 470, 530, 940, 1060, 2491, 4982, 8191, 9964, 12455, 16382, 24910, 32764, 40955, 49820, 81910, 163820, 384977, 434123, 769954, 868246, 1539908, 1736492, 1924885, 2170615, 3849770, 4341230, 7699540, 8682460, 20403781, 40807562, 81615124, 102018905, 204037810, 408075620]

約数ペア:

[(1, 408075620), (2, 204037810), (4, 102018905), (5, 81615124), (10, 40807562), (20, 20403781), (47, 8682460), (53, 7699540), (94, 4341230), (106, 3849770), (188, 2170615), (212, 1924885), (235, 1736492), (265, 1539908), (470, 868246), (530, 769954), (940, 434123), (1060, 384977), (2491, 163820), (4982, 81910), (8191, 49820), (9964, 40955), (12455, 32764), (16382, 24910)]