9509920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{1213}}^1$

素因数の和:1242

約数の個数: 72

約数和(自身を含む): 26156844

約数和(自身を除く): 16646924

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1213, 1568, 1960, 2426, 3920, 4852, 6065, 7840, 8491, 9704, 12130, 16982, 19408, 24260, 33964, 38816, 42455, 48520, 59437, 67928, 84910, 97040, 118874, 135856, 169820, 194080, 237748, 271712, 297185, 339640, 475496, 594370, 679280, 950992, 1188740, 1358560, 1901984, 2377480, 4754960, 9509920]

約数ペア:

[(1, 9509920), (2, 4754960), (4, 2377480), (5, 1901984), (7, 1358560), (8, 1188740), (10, 950992), (14, 679280), (16, 594370), (20, 475496), (28, 339640), (32, 297185), (35, 271712), (40, 237748), (49, 194080), (56, 169820), (70, 135856), (80, 118874), (98, 97040), (112, 84910), (140, 67928), (160, 59437), (196, 48520), (224, 42455), (245, 38816), (280, 33964), (392, 24260), (490, 19408), (560, 16982), (784, 12130), (980, 9704), (1120, 8491), (1213, 7840), (1568, 6065), (1960, 4852), (2426, 3920)]