858973820

素因数分解:

$2^2\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{35407}}^1$

素因数の和:36629

約数の個数: 24

約数和(自身を含む): 1805383104

約数和(自身を除く): 946409284

約数列:

[1, 2, 4, 5, 10, 20, 1213, 2426, 4852, 6065, 12130, 24260, 35407, 70814, 141628, 177035, 354070, 708140, 42948691, 85897382, 171794764, 214743455, 429486910, 858973820]

約数ペア:

[(1, 858973820), (2, 429486910), (4, 214743455), (5, 171794764), (10, 85897382), (20, 42948691), (1213, 708140), (2426, 354070), (4852, 177035), (6065, 141628), (12130, 70814), (24260, 35407)]