280000019716

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1\times {\mathrm{18311}}^1$

素因数の和:19024

約数の個数: 48

約数和(自身を含む): 504532224000

約数和(自身を除く): 224532204284

約数列:

[1, 2, 4, 47, 94, 163, 188, 326, 499, 652, 998, 1996, 7661, 15322, 18311, 23453, 30644, 36622, 46906, 73244, 81337, 93812, 162674, 325348, 860617, 1721234, 2984693, 3442468, 3822839, 5969386, 7645678, 9137189, 11938772, 15291356, 18274378, 36548756, 140280571, 280561142, 429447883, 561122284, 858895766, 1489361807, 1717791532, 2978723614, 5957447228, 70000004929, 140000009858, 280000019716]

約数ペア:

[(1, 280000019716), (2, 140000009858), (4, 70000004929), (47, 5957447228), (94, 2978723614), (163, 1717791532), (188, 1489361807), (326, 858895766), (499, 561122284), (652, 429447883), (998, 280561142), (1996, 140280571), (7661, 36548756), (15322, 18274378), (18311, 15291356), (23453, 11938772), (30644, 9137189), (36622, 7645678), (46906, 5969386), (73244, 3822839), (81337, 3442468), (93812, 2984693), (162674, 1721234), (325348, 860617)]