204030820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1457363}}^1$

素因数の和:1457379

約数の個数: 24

約数和(自身を含む): 489674304

約数和(自身を除く): 285643484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1457363, 2914726, 5829452, 7286815, 10201541, 14573630, 20403082, 29147260, 40806164, 51007705, 102015410, 204030820]

約数ペア:

[(1, 204030820), (2, 102015410), (4, 51007705), (5, 40806164), (7, 29147260), (10, 20403082), (14, 14573630), (20, 10201541), (28, 7286815), (35, 5829452), (70, 2914726), (140, 1457363)]