74154640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18917}}^1$

素因数の和:18944

約数の個数: 60

約数和(自身を含む): 200568636

約数和(自身を除く): 126413996

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 18917, 37834, 75668, 94585, 132419, 151336, 189170, 264838, 302672, 378340, 529676, 662095, 756680, 926933, 1059352, 1324190, 1513360, 1853866, 2118704, 2648380, 3707732, 4634665, 5296760, 7415464, 9269330, 10593520, 14830928, 18538660, 37077320, 74154640]

約数ペア:

[(1, 74154640), (2, 37077320), (4, 18538660), (5, 14830928), (7, 10593520), (8, 9269330), (10, 7415464), (14, 5296760), (16, 4634665), (20, 3707732), (28, 2648380), (35, 2118704), (40, 1853866), (49, 1513360), (56, 1324190), (70, 1059352), (80, 926933), (98, 756680), (112, 662095), (140, 529676), (196, 378340), (245, 302672), (280, 264838), (392, 189170), (490, 151336), (560, 132419), (784, 94585), (980, 75668), (1960, 37834), (3920, 18917)]