1286861950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{80681}}^1$

素因数の和:80733

約数の個数: 48

約数和(自身を含む): 2701233360

約数和(自身を除く): 1414371410

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 110, 145, 275, 290, 319, 550, 638, 725, 1450, 1595, 3190, 7975, 15950, 80681, 161362, 403405, 806810, 887491, 1774982, 2017025, 2339749, 4034050, 4437455, 4679498, 8874910, 11698745, 22187275, 23397490, 25737239, 44374550, 51474478, 58493725, 116987450, 128686195, 257372390, 643430975, 1286861950]

約数ペア:

[(1, 1286861950), (2, 643430975), (5, 257372390), (10, 128686195), (11, 116987450), (22, 58493725), (25, 51474478), (29, 44374550), (50, 25737239), (55, 23397490), (58, 22187275), (110, 11698745), (145, 8874910), (275, 4679498), (290, 4437455), (319, 4034050), (550, 2339749), (638, 2017025), (725, 1774982), (1450, 887491), (1595, 806810), (3190, 403405), (7975, 161362), (15950, 80681)]