813157060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{21187}}^1$

素因数の和:21316

約数の個数: 48

約数和(自身を含む): 1815387840

約数和(自身を除く): 1002230780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 505, 1010, 1919, 2020, 3838, 7676, 9595, 19190, 21187, 38380, 42374, 84748, 105935, 211870, 402553, 423740, 805106, 1610212, 2012765, 2139887, 4025530, 4279774, 8051060, 8559548, 10699435, 21398870, 40657853, 42797740, 81315706, 162631412, 203289265, 406578530, 813157060]

約数ペア:

[(1, 813157060), (2, 406578530), (4, 203289265), (5, 162631412), (10, 81315706), (19, 42797740), (20, 40657853), (38, 21398870), (76, 10699435), (95, 8559548), (101, 8051060), (190, 4279774), (202, 4025530), (380, 2139887), (404, 2012765), (505, 1610212), (1010, 805106), (1919, 423740), (2020, 402553), (3838, 211870), (7676, 105935), (9595, 84748), (19190, 42374), (21187, 38380)]