204422860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{237701}}^1$

素因数の和:237753

約数の個数: 24

約数和(自身を含む): 439273296

約数和(自身を除く): 234850436

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 237701, 475402, 950804, 1188505, 2377010, 4754020, 10221143, 20442286, 40884572, 51105715, 102211430, 204422860]

約数ペア:

[(1, 204422860), (2, 102211430), (4, 51105715), (5, 40884572), (10, 20442286), (20, 10221143), (43, 4754020), (86, 2377010), (172, 1188505), (215, 950804), (430, 475402), (860, 237701)]