205999860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{312121}}^1$

素因数の和:312144

約数の個数: 48

約数和(自身を含む): 629237952

約数和(自身を除く): 423238092

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 312121, 624242, 936363, 1248484, 1560605, 1872726, 3121210, 3433331, 3745452, 4681815, 6242420, 6866662, 9363630, 10299993, 13733324, 17166655, 18727260, 20599986, 34333310, 41199972, 51499965, 68666620, 102999930, 205999860]

約数ペア:

[(1, 205999860), (2, 102999930), (3, 68666620), (4, 51499965), (5, 41199972), (6, 34333310), (10, 20599986), (11, 18727260), (12, 17166655), (15, 13733324), (20, 10299993), (22, 9363630), (30, 6866662), (33, 6242420), (44, 4681815), (55, 3745452), (60, 3433331), (66, 3121210), (110, 1872726), (132, 1560605), (165, 1248484), (220, 936363), (330, 624242), (660, 312121)]