245740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1117}}^1$

素因数の和:1137

約数の個数: 24

約数和(自身を含む): 563472

約数和(自身を除く): 317732

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1117, 2234, 4468, 5585, 11170, 12287, 22340, 24574, 49148, 61435, 122870, 245740]

約数ペア:

[(1, 245740), (2, 122870), (4, 61435), (5, 49148), (10, 24574), (11, 22340), (20, 12287), (22, 11170), (44, 5585), (55, 4468), (110, 2234), (220, 1117)]