212340660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{505573}}^1$

素因数の和:505592

約数の個数: 48

約数和(自身を含む): 679491456

約数和(自身を除く): 467150796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 505573, 1011146, 1516719, 2022292, 2527865, 3033438, 3539011, 5055730, 6066876, 7078022, 7583595, 10111460, 10617033, 14156044, 15167190, 17695055, 21234066, 30334380, 35390110, 42468132, 53085165, 70780220, 106170330, 212340660]

約数ペア:

[(1, 212340660), (2, 106170330), (3, 70780220), (4, 53085165), (5, 42468132), (6, 35390110), (7, 30334380), (10, 21234066), (12, 17695055), (14, 15167190), (15, 14156044), (20, 10617033), (21, 10111460), (28, 7583595), (30, 7078022), (35, 6066876), (42, 5055730), (60, 3539011), (70, 3033438), (84, 2527865), (105, 2022292), (140, 1516719), (210, 1011146), (420, 505573)]