74764240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:620

約数の個数: 80

約数和(自身を含む): 185166720

約数和(自身を除く): 110402480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 101, 152, 190, 202, 304, 380, 404, 487, 505, 760, 808, 974, 1010, 1520, 1616, 1919, 1948, 2020, 2435, 3838, 3896, 4040, 4870, 7676, 7792, 8080, 9253, 9595, 9740, 15352, 18506, 19190, 19480, 30704, 37012, 38380, 38960, 46265, 49187, 74024, 76760, 92530, 98374, 148048, 153520, 185060, 196748, 245935, 370120, 393496, 491870, 740240, 786992, 934553, 983740, 1869106, 1967480, 3738212, 3934960, 4672765, 7476424, 9345530, 14952848, 18691060, 37382120, 74764240]

約数ペア:

[(1, 74764240), (2, 37382120), (4, 18691060), (5, 14952848), (8, 9345530), (10, 7476424), (16, 4672765), (19, 3934960), (20, 3738212), (38, 1967480), (40, 1869106), (76, 983740), (80, 934553), (95, 786992), (101, 740240), (152, 491870), (190, 393496), (202, 370120), (304, 245935), (380, 196748), (404, 185060), (487, 153520), (505, 148048), (760, 98374), (808, 92530), (974, 76760), (1010, 74024), (1520, 49187), (1616, 46265), (1919, 38960), (1948, 38380), (2020, 37012), (2435, 30704), (3838, 19480), (3896, 19190), (4040, 18506), (4870, 15352), (7676, 9740), (7792, 9595), (8080, 9253)]