30638860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{218849}}^1$

素因数の和:218865

約数の個数: 24

約数和(自身を含む): 73533600

約数和(自身を除く): 42894740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 218849, 437698, 875396, 1094245, 1531943, 2188490, 3063886, 4376980, 6127772, 7659715, 15319430, 30638860]

約数ペア:

[(1, 30638860), (2, 15319430), (4, 7659715), (5, 6127772), (7, 4376980), (10, 3063886), (14, 2188490), (20, 1531943), (28, 1094245), (35, 875396), (70, 437698), (140, 218849)]