13911740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 30227904

約数和(自身を除く): 16316164

約数列:

[1, 2, 4, 5, 10, 20, 71, 97, 101, 142, 194, 202, 284, 355, 388, 404, 485, 505, 710, 970, 1010, 1420, 1940, 2020, 6887, 7171, 9797, 13774, 14342, 19594, 27548, 28684, 34435, 35855, 39188, 48985, 68870, 71710, 97970, 137740, 143420, 195940, 695587, 1391174, 2782348, 3477935, 6955870, 13911740]

約数ペア:

[(1, 13911740), (2, 6955870), (4, 3477935), (5, 2782348), (10, 1391174), (20, 695587), (71, 195940), (97, 143420), (101, 137740), (142, 97970), (194, 71710), (202, 68870), (284, 48985), (355, 39188), (388, 35855), (404, 34435), (485, 28684), (505, 27548), (710, 19594), (970, 14342), (1010, 13774), (1420, 9797), (1940, 7171), (2020, 6887)]