4996180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 12128256

約数和(自身を除く): 7132076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 281, 508, 562, 635, 889, 1124, 1270, 1405, 1778, 1967, 2540, 2810, 3556, 3934, 4445, 5620, 7868, 8890, 9835, 17780, 19670, 35687, 39340, 71374, 142748, 178435, 249809, 356870, 499618, 713740, 999236, 1249045, 2498090, 4996180]

約数ペア:

[(1, 4996180), (2, 2498090), (4, 1249045), (5, 999236), (7, 713740), (10, 499618), (14, 356870), (20, 249809), (28, 178435), (35, 142748), (70, 71374), (127, 39340), (140, 35687), (254, 19670), (281, 17780), (508, 9835), (562, 8890), (635, 7868), (889, 5620), (1124, 4445), (1270, 3934), (1405, 3556), (1778, 2810), (1967, 2540)]