205120740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{310789}}^1$

素因数の和:310812

約数の個数: 48

約数和(自身を含む): 626552640

約数和(自身を除く): 421431900

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, 310789, 621578, 932367, 1243156, 1553945, 1864734, 3107890, 3418679, 3729468, 4661835, 6215780, 6837358, 9323670, 10256037, 13674716, 17093395, 18647340, 20512074, 34186790, 41024148, 51280185, 68373580, 102560370, 205120740]

約数ペア:

[(1, 205120740), (2, 102560370), (3, 68373580), (4, 51280185), (5, 41024148), (6, 34186790), (10, 20512074), (11, 18647340), (12, 17093395), (15, 13674716), (20, 10256037), (22, 9323670), (30, 6837358), (33, 6215780), (44, 4661835), (55, 3729468), (60, 3418679), (66, 3107890), (110, 1864734), (132, 1553945), (165, 1243156), (220, 932367), (330, 621578), (660, 310789)]