206840180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{356621}}^1$

素因数の和:356659

約数の個数: 24

約数和(自身を含む): 449343720

約数和(自身を除く): 242503540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 356621, 713242, 1426484, 1783105, 3566210, 7132420, 10342009, 20684018, 41368036, 51710045, 103420090, 206840180]

約数ペア:

[(1, 206840180), (2, 103420090), (4, 51710045), (5, 41368036), (10, 20684018), (20, 10342009), (29, 7132420), (58, 3566210), (116, 1783105), (145, 1426484), (290, 713242), (580, 356621)]