390205564

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{7537}}^1$

素因数の和:7634

約数の個数: 36

約数和(自身を含む): 799088304

約数和(自身を除く): 408882740

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 1849, 3698, 7396, 7537, 12943, 15074, 25886, 30148, 51772, 52759, 105518, 211036, 324091, 648182, 1296364, 2268637, 4537274, 9074548, 13935913, 27871826, 55743652, 97551391, 195102782, 390205564]

約数ペア:

[(1, 390205564), (2, 195102782), (4, 97551391), (7, 55743652), (14, 27871826), (28, 13935913), (43, 9074548), (86, 4537274), (172, 2268637), (301, 1296364), (602, 648182), (1204, 324091), (1849, 211036), (3698, 105518), (7396, 52759), (7537, 51772), (12943, 30148), (15074, 25886)]