99999620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{714283}}^1$

素因数の和:714299

約数の個数: 24

約数和(自身を含む): 239999424

約数和(自身を除く): 139999804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 714283, 1428566, 2857132, 3571415, 4999981, 7142830, 9999962, 14285660, 19999924, 24999905, 49999810, 99999620]

約数ペア:

[(1, 99999620), (2, 49999810), (4, 24999905), (5, 19999924), (7, 14285660), (10, 9999962), (14, 7142830), (20, 4999981), (28, 3571415), (35, 2857132), (70, 1428566), (140, 714283)]