28293860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202099}}^1$

素因数の和:202115

約数の個数: 24

約数和(自身を含む): 67905600

約数和(自身を除く): 39611740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202099, 404198, 808396, 1010495, 1414693, 2020990, 2829386, 4041980, 5658772, 7073465, 14146930, 28293860]

約数ペア:

[(1, 28293860), (2, 14146930), (4, 7073465), (5, 5658772), (7, 4041980), (10, 2829386), (14, 2020990), (20, 1414693), (28, 1010495), (35, 808396), (70, 404198), (140, 202099)]