1396880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:951

約数の個数: 40

約数和(自身を含む): 3422400

約数和(自身を除く): 2025520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 919, 1520, 1838, 3676, 4595, 7352, 9190, 14704, 17461, 18380, 34922, 36760, 69844, 73520, 87305, 139688, 174610, 279376, 349220, 698440, 1396880]

約数ペア:

[(1, 1396880), (2, 698440), (4, 349220), (5, 279376), (8, 174610), (10, 139688), (16, 87305), (19, 73520), (20, 69844), (38, 36760), (40, 34922), (76, 18380), (80, 17461), (95, 14704), (152, 9190), (190, 7352), (304, 4595), (380, 3676), (760, 1838), (919, 1520)]