208936970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{111731}}^1$

素因数の和:111766

約数の個数: 32

約数和(自身を含む): 434414016

約数和(自身を除く): 225477046

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 111731, 223462, 558655, 1117310, 1229041, 1899427, 2458082, 3798854, 6145205, 9497135, 12290410, 18994270, 20893697, 41787394, 104468485, 208936970]

約数ペア:

[(1, 208936970), (2, 104468485), (5, 41787394), (10, 20893697), (11, 18994270), (17, 12290410), (22, 9497135), (34, 6145205), (55, 3798854), (85, 2458082), (110, 1899427), (170, 1229041), (187, 1117310), (374, 558655), (935, 223462), (1870, 111731)]