2978440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3919}}^1$

素因数の和:3949

約数の個数: 32

約数和(自身を含む): 7056000

約数和(自身を除く): 4077560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 3919, 7838, 15676, 19595, 31352, 39190, 74461, 78380, 148922, 156760, 297844, 372305, 595688, 744610, 1489220, 2978440]

約数ペア:

[(1, 2978440), (2, 1489220), (4, 744610), (5, 595688), (8, 372305), (10, 297844), (19, 156760), (20, 148922), (38, 78380), (40, 74461), (76, 39190), (95, 31352), (152, 19595), (190, 15676), (380, 7838), (760, 3919)]