205375870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1321}}^1\times {\mathrm{2221}}^1$

素因数の和:3556

約数の個数: 32

約数和(自身を含む): 422997696

約数和(自身を除く): 217621826

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1321, 2221, 2642, 4442, 6605, 9247, 11105, 13210, 15547, 18494, 22210, 31094, 46235, 77735, 92470, 155470, 2933941, 5867882, 14669705, 20537587, 29339410, 41075174, 102687935, 205375870]

約数ペア:

[(1, 205375870), (2, 102687935), (5, 41075174), (7, 29339410), (10, 20537587), (14, 14669705), (35, 5867882), (70, 2933941), (1321, 155470), (2221, 92470), (2642, 77735), (4442, 46235), (6605, 31094), (9247, 22210), (11105, 18494), (13210, 15547)]