898889140

素因数分解:

$2^2\times 5^1\times {\mathrm{3457}}^1\times {\mathrm{13001}}^1$

素因数の和:16467

約数の個数: 24

約数和(自身を含む): 1888358472

約数和(自身を除く): 989469332

約数列:

[1, 2, 4, 5, 10, 20, 3457, 6914, 13001, 13828, 17285, 26002, 34570, 52004, 65005, 69140, 130010, 260020, 44944457, 89888914, 179777828, 224722285, 449444570, 898889140]

約数ペア:

[(1, 898889140), (2, 449444570), (4, 224722285), (5, 179777828), (10, 89888914), (20, 44944457), (3457, 260020), (6914, 130010), (13001, 69140), (13828, 65005), (17285, 52004), (26002, 34570)]