143024140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{20849}}^1$

素因数の和:20879

約数の個数: 48

約数和(自身を含む): 350280000

約数和(自身を除く): 207255860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 20849, 41698, 83396, 104245, 145943, 208490, 291886, 416980, 583772, 729715, 1021601, 1459430, 2043202, 2918860, 4086404, 5108005, 7151207, 10216010, 14302414, 20432020, 28604828, 35756035, 71512070, 143024140]

約数ペア:

[(1, 143024140), (2, 71512070), (4, 35756035), (5, 28604828), (7, 20432020), (10, 14302414), (14, 10216010), (20, 7151207), (28, 5108005), (35, 4086404), (49, 2918860), (70, 2043202), (98, 1459430), (140, 1021601), (196, 729715), (245, 583772), (343, 416980), (490, 291886), (686, 208490), (980, 145943), (1372, 104245), (1715, 83396), (3430, 41698), (6860, 20849)]