86677780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{5479}}^1$

素因数の和:5608

約数の個数: 48

約数和(自身を含む): 209905920

約数和(自身を除く): 123228140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 2260, 3164, 3955, 5479, 7910, 10958, 15820, 21916, 27395, 38353, 54790, 76706, 109580, 153412, 191765, 383530, 619127, 767060, 1238254, 2476508, 3095635, 4333889, 6191270, 8667778, 12382540, 17335556, 21669445, 43338890, 86677780]

約数ペア:

[(1, 86677780), (2, 43338890), (4, 21669445), (5, 17335556), (7, 12382540), (10, 8667778), (14, 6191270), (20, 4333889), (28, 3095635), (35, 2476508), (70, 1238254), (113, 767060), (140, 619127), (226, 383530), (452, 191765), (565, 153412), (791, 109580), (1130, 76706), (1582, 54790), (2260, 38353), (3164, 27395), (3955, 21916), (5479, 15820), (7910, 10958)]