207818820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{104959}}^1$

素因数の和:104985

約数の個数: 72

約数和(自身を含む): 687697920

約数和(自身を除く): 479879100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 104959, 209918, 314877, 419836, 524795, 629754, 944631, 1049590, 1154549, 1259508, 1574385, 1889262, 2099180, 2309098, 3148770, 3463647, 3778524, 4618196, 4723155, 5772745, 6297540, 6927294, 9446310, 10390941, 11545490, 13854588, 17318235, 18892620, 20781882, 23090980, 34636470, 41563764, 51954705, 69272940, 103909410, 207818820]

約数ペア:

[(1, 207818820), (2, 103909410), (3, 69272940), (4, 51954705), (5, 41563764), (6, 34636470), (9, 23090980), (10, 20781882), (11, 18892620), (12, 17318235), (15, 13854588), (18, 11545490), (20, 10390941), (22, 9446310), (30, 6927294), (33, 6297540), (36, 5772745), (44, 4723155), (45, 4618196), (55, 3778524), (60, 3463647), (66, 3148770), (90, 2309098), (99, 2099180), (110, 1889262), (132, 1574385), (165, 1259508), (180, 1154549), (198, 1049590), (220, 944631), (330, 629754), (396, 524795), (495, 419836), (660, 314877), (990, 209918), (1980, 104959)]