126621740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{904441}}^1$

素因数の和:904457

約数の個数: 24

約数和(自身を含む): 303892512

約数和(自身を除く): 177270772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 904441, 1808882, 3617764, 4522205, 6331087, 9044410, 12662174, 18088820, 25324348, 31655435, 63310870, 126621740]

約数ペア:

[(1, 126621740), (2, 63310870), (4, 31655435), (5, 25324348), (7, 18088820), (10, 12662174), (14, 9044410), (20, 6331087), (28, 4522205), (35, 3617764), (70, 1808882), (140, 904441)]