681036620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3095621}}^1$

素因数の和:3095641

約数の個数: 24

約数和(自身を含む): 1560193488

約数和(自身を除く): 879156868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3095621, 6191242, 12382484, 15478105, 30956210, 34051831, 61912420, 68103662, 136207324, 170259155, 340518310, 681036620]

約数ペア:

[(1, 681036620), (2, 340518310), (4, 170259155), (5, 136207324), (10, 68103662), (11, 61912420), (20, 34051831), (22, 30956210), (44, 15478105), (55, 12382484), (110, 6191242), (220, 3095621)]