7922180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 19305216

約数和(自身を除く): 11383036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 797, 994, 1420, 1594, 1988, 2485, 3188, 3985, 4970, 5579, 7970, 9940, 11158, 15940, 22316, 27895, 55790, 56587, 111580, 113174, 226348, 282935, 396109, 565870, 792218, 1131740, 1584436, 1980545, 3961090, 7922180]

約数ペア:

[(1, 7922180), (2, 3961090), (4, 1980545), (5, 1584436), (7, 1131740), (10, 792218), (14, 565870), (20, 396109), (28, 282935), (35, 226348), (70, 113174), (71, 111580), (140, 56587), (142, 55790), (284, 27895), (355, 22316), (497, 15940), (710, 11158), (797, 9940), (994, 7970), (1420, 5579), (1594, 4970), (1988, 3985), (2485, 3188)]