89890990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{183451}}^1$

素因数の和:183472

約数の個数: 24

約数和(自身を含む): 188221752

約数和(自身を除く): 98330762

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 183451, 366902, 917255, 1284157, 1834510, 2568314, 6420785, 8989099, 12841570, 17978198, 44945495, 89890990]

約数ペア:

[(1, 89890990), (2, 44945495), (5, 17978198), (7, 12841570), (10, 8989099), (14, 6420785), (35, 2568314), (49, 1834510), (70, 1284157), (98, 917255), (245, 366902), (490, 183451)]