204390620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1459933}}^1$

素因数の和:1459949

約数の個数: 24

約数和(自身を含む): 490537824

約数和(自身を除く): 286147204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1459933, 2919866, 5839732, 7299665, 10219531, 14599330, 20439062, 29198660, 40878124, 51097655, 102195310, 204390620]

約数ペア:

[(1, 204390620), (2, 102195310), (4, 51097655), (5, 40878124), (7, 29198660), (10, 20439062), (14, 14599330), (20, 10219531), (28, 7299665), (35, 5839732), (70, 2919866), (140, 1459933)]