204415540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1460111}}^1$

素因数の和:1460127

約数の個数: 24

約数和(自身を含む): 490597632

約数和(自身を除く): 286182092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1460111, 2920222, 5840444, 7300555, 10220777, 14601110, 20441554, 29202220, 40883108, 51103885, 102207770, 204415540]

約数ペア:

[(1, 204415540), (2, 102207770), (4, 51103885), (5, 40883108), (7, 29202220), (10, 20441554), (14, 14601110), (20, 10220777), (28, 7300555), (35, 5840444), (70, 2920222), (140, 1460111)]