616996880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{4019}}^1$

素因数の和:4152

約数の個数: 80

約数和(自身を含む): 1525348800

約数和(自身を除く): 908351920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 101, 152, 190, 202, 304, 380, 404, 505, 760, 808, 1010, 1520, 1616, 1919, 2020, 3838, 4019, 4040, 7676, 8038, 8080, 9595, 15352, 16076, 19190, 20095, 30704, 32152, 38380, 40190, 64304, 76361, 76760, 80380, 152722, 153520, 160760, 305444, 321520, 381805, 405919, 610888, 763610, 811838, 1221776, 1527220, 1623676, 2029595, 3054440, 3247352, 4059190, 6108880, 6494704, 7712461, 8118380, 15424922, 16236760, 30849844, 32473520, 38562305, 61699688, 77124610, 123399376, 154249220, 308498440, 616996880]

約数ペア:

[(1, 616996880), (2, 308498440), (4, 154249220), (5, 123399376), (8, 77124610), (10, 61699688), (16, 38562305), (19, 32473520), (20, 30849844), (38, 16236760), (40, 15424922), (76, 8118380), (80, 7712461), (95, 6494704), (101, 6108880), (152, 4059190), (190, 3247352), (202, 3054440), (304, 2029595), (380, 1623676), (404, 1527220), (505, 1221776), (760, 811838), (808, 763610), (1010, 610888), (1520, 405919), (1616, 381805), (1919, 321520), (2020, 305444), (3838, 160760), (4019, 153520), (4040, 152722), (7676, 80380), (8038, 76760), (8080, 76361), (9595, 64304), (15352, 40190), (16076, 38380), (19190, 32152), (20095, 30704)]