200819890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{10861}}^1$

素因数の和:10954

約数の個数: 24

約数和(自身を含む): 370111788

約数和(自身を除く): 169291898

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 1849, 3698, 9245, 10861, 18490, 21722, 54305, 108610, 467023, 934046, 2335115, 4670230, 20081989, 40163978, 100409945, 200819890]

約数ペア:

[(1, 200819890), (2, 100409945), (5, 40163978), (10, 20081989), (43, 4670230), (86, 2335115), (215, 934046), (430, 467023), (1849, 108610), (3698, 54305), (9245, 21722), (10861, 18490)]