245227990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{12379}}^1$

素因数の和:12676

約数の個数: 32

約数和(自身を含む): 506292480

約数和(自身を除く): 261064490

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 283, 566, 1415, 1981, 2830, 3962, 9905, 12379, 19810, 24758, 61895, 86653, 123790, 173306, 433265, 866530, 3503257, 7006514, 17516285, 24522799, 35032570, 49045598, 122613995, 245227990]

約数ペア:

[(1, 245227990), (2, 122613995), (5, 49045598), (7, 35032570), (10, 24522799), (14, 17516285), (35, 7006514), (70, 3503257), (283, 866530), (566, 433265), (1415, 173306), (1981, 123790), (2830, 86653), (3962, 61895), (9905, 24758), (12379, 19810)]