77538460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3109}}^1$

素因数の和:3190

約数の個数: 48

約数和(自身を含む): 172418400

約数和(自身を除く): 94879940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 860, 1247, 2494, 3109, 4988, 6218, 6235, 12436, 12470, 15545, 24940, 31090, 62180, 90161, 133687, 180322, 267374, 360644, 450805, 534748, 668435, 901610, 1336870, 1803220, 2673740, 3876923, 7753846, 15507692, 19384615, 38769230, 77538460]

約数ペア:

[(1, 77538460), (2, 38769230), (4, 19384615), (5, 15507692), (10, 7753846), (20, 3876923), (29, 2673740), (43, 1803220), (58, 1336870), (86, 901610), (116, 668435), (145, 534748), (172, 450805), (215, 360644), (290, 267374), (430, 180322), (580, 133687), (860, 90161), (1247, 62180), (2494, 31090), (3109, 24940), (4988, 15545), (6218, 12470), (6235, 12436)]