2783189780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{193009}}^1$

素因数の和:193128

約数の個数: 48

約数和(自身を含む): 6744541440

約数和(自身を除く): 3961351660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 7210, 14420, 193009, 386018, 772036, 965045, 1351063, 1930090, 2702126, 3860180, 5404252, 6755315, 13510630, 19879927, 27021260, 39759854, 79519708, 99399635, 139159489, 198799270, 278318978, 397598540, 556637956, 695797445, 1391594890, 2783189780]

約数ペア:

[(1, 2783189780), (2, 1391594890), (4, 695797445), (5, 556637956), (7, 397598540), (10, 278318978), (14, 198799270), (20, 139159489), (28, 99399635), (35, 79519708), (70, 39759854), (103, 27021260), (140, 19879927), (206, 13510630), (412, 6755315), (515, 5404252), (721, 3860180), (1030, 2702126), (1442, 1930090), (2060, 1351063), (2884, 965045), (3605, 772036), (7210, 386018), (14420, 193009)]