88757980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{769}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 194040000

約数和(自身を除く): 105282020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 199, 290, 398, 580, 769, 796, 995, 1538, 1990, 3076, 3845, 3980, 5771, 7690, 11542, 15380, 22301, 23084, 28855, 44602, 57710, 89204, 111505, 115420, 153031, 223010, 306062, 446020, 612124, 765155, 1530310, 3060620, 4437899, 8875798, 17751596, 22189495, 44378990, 88757980]

約数ペア:

[(1, 88757980), (2, 44378990), (4, 22189495), (5, 17751596), (10, 8875798), (20, 4437899), (29, 3060620), (58, 1530310), (116, 765155), (145, 612124), (199, 446020), (290, 306062), (398, 223010), (580, 153031), (769, 115420), (796, 111505), (995, 89204), (1538, 57710), (1990, 44602), (3076, 28855), (3845, 23084), (3980, 22301), (5771, 15380), (7690, 11542)]