7439740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4831}}^1$

素因数の和:4858

約数の個数: 48

約数和(自身を含む): 19482624

約数和(自身を除く): 12042884

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 4831, 9662, 19324, 24155, 33817, 48310, 53141, 67634, 96620, 106282, 135268, 169085, 212564, 265705, 338170, 371987, 531410, 676340, 743974, 1062820, 1487948, 1859935, 3719870, 7439740]

約数ペア:

[(1, 7439740), (2, 3719870), (4, 1859935), (5, 1487948), (7, 1062820), (10, 743974), (11, 676340), (14, 531410), (20, 371987), (22, 338170), (28, 265705), (35, 212564), (44, 169085), (55, 135268), (70, 106282), (77, 96620), (110, 67634), (140, 53141), (154, 48310), (220, 33817), (308, 24155), (385, 19324), (770, 9662), (1540, 4831)]