1340313268

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1459}}^1$

素因数の和:1629

約数の個数: 72

約数和(自身を含む): 2819493600

約数和(自身を除く): 1479180332

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 109, 172, 196, 218, 301, 436, 602, 763, 1204, 1459, 1526, 2107, 2918, 3052, 4214, 4687, 5341, 5836, 8428, 9374, 10213, 10682, 18748, 20426, 21364, 32809, 40852, 62737, 65618, 71491, 125474, 131236, 142982, 159031, 229663, 250948, 285964, 318062, 439159, 459326, 636124, 878318, 918652, 1113217, 1756636, 2226434, 3074113, 4452868, 6148226, 6838333, 7792519, 12296452, 13676666, 15585038, 27353332, 31170076, 47868331, 95736662, 191473324, 335078317, 670156634, 1340313268]

約数ペア:

[(1, 1340313268), (2, 670156634), (4, 335078317), (7, 191473324), (14, 95736662), (28, 47868331), (43, 31170076), (49, 27353332), (86, 15585038), (98, 13676666), (109, 12296452), (172, 7792519), (196, 6838333), (218, 6148226), (301, 4452868), (436, 3074113), (602, 2226434), (763, 1756636), (1204, 1113217), (1459, 918652), (1526, 878318), (2107, 636124), (2918, 459326), (3052, 439159), (4214, 318062), (4687, 285964), (5341, 250948), (5836, 229663), (8428, 159031), (9374, 142982), (10213, 131236), (10682, 125474), (18748, 71491), (20426, 65618), (21364, 62737), (32809, 40852)]