197805220

素因数分解:

$2^2\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{8807}}^1$

素因数の和:9939

約数の個数: 24

約数和(自身を含む): 415808064

約数和(自身を除く): 218002844

約数列:

[1, 2, 4, 5, 10, 20, 1123, 2246, 4492, 5615, 8807, 11230, 17614, 22460, 35228, 44035, 88070, 176140, 9890261, 19780522, 39561044, 49451305, 98902610, 197805220]

約数ペア:

[(1, 197805220), (2, 98902610), (4, 49451305), (5, 39561044), (10, 19780522), (20, 9890261), (1123, 176140), (2246, 88070), (4492, 44035), (5615, 35228), (8807, 22460), (11230, 17614)]