289668820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71347}}^1$

素因数の和:71392

約数の個数: 48

約数和(自身を含む): 719187840

約数和(自身を除く): 429519020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 71347, 142694, 285388, 356735, 499429, 713470, 998858, 1426940, 1997716, 2069063, 2497145, 4138126, 4994290, 8276252, 9988580, 10345315, 14483441, 20690630, 28966882, 41381260, 57933764, 72417205, 144834410, 289668820]

約数ペア:

[(1, 289668820), (2, 144834410), (4, 72417205), (5, 57933764), (7, 41381260), (10, 28966882), (14, 20690630), (20, 14483441), (28, 10345315), (29, 9988580), (35, 8276252), (58, 4994290), (70, 4138126), (116, 2497145), (140, 2069063), (145, 1997716), (203, 1426940), (290, 998858), (406, 713470), (580, 499429), (812, 356735), (1015, 285388), (2030, 142694), (4060, 71347)]