211450820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1510363}}^1$

素因数の和:1510379

約数の個数: 24

約数和(自身を含む): 507482304

約数和(自身を除く): 296031484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1510363, 3020726, 6041452, 7551815, 10572541, 15103630, 21145082, 30207260, 42290164, 52862705, 105725410, 211450820]

約数ペア:

[(1, 211450820), (2, 105725410), (4, 52862705), (5, 42290164), (7, 30207260), (10, 21145082), (14, 15103630), (20, 10572541), (28, 7551815), (35, 6041452), (70, 3020726), (140, 1510363)]