2179636990

素因数分解:

$2^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{436801}}^1$

素因数の和:437307

約数の個数: 16

約数和(自身を含む): 3931218000

約数和(自身を除く): 1751581010

約数列:

[1, 2, 5, 10, 499, 998, 2495, 4990, 436801, 873602, 2184005, 4368010, 217963699, 435927398, 1089818495, 2179636990]

約数ペア:

[(1, 2179636990), (2, 1089818495), (5, 435927398), (10, 217963699), (499, 4368010), (998, 2184005), (2495, 873602), (4990, 436801)]