388630870

素因数分解:

$2^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{79801}}^1$

素因数の和:80295

約数の個数: 16

約数和(自身を含む): 700980768

約数和(自身を除く): 312349898

約数列:

[1, 2, 5, 10, 487, 974, 2435, 4870, 79801, 159602, 399005, 798010, 38863087, 77726174, 194315435, 388630870]

約数ペア:

[(1, 388630870), (2, 194315435), (5, 77726174), (10, 38863087), (487, 798010), (974, 399005), (2435, 159602), (4870, 79801)]