215004580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1535747}}^1$

素因数の和:1535763

約数の個数: 24

約数和(自身を含む): 516011328

約数和(自身を除く): 301006748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1535747, 3071494, 6142988, 7678735, 10750229, 15357470, 21500458, 30714940, 43000916, 53751145, 107502290, 215004580]

約数ペア:

[(1, 215004580), (2, 107502290), (4, 53751145), (5, 43000916), (7, 30714940), (10, 21500458), (14, 15357470), (20, 10750229), (28, 7678735), (35, 6142988), (70, 3071494), (140, 1535747)]