9930770

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{197}}^1$

素因数の和:346

約数の個数: 24

約数和(自身を含む): 18222732

約数和(自身を除く): 8291962

約数列:

[1, 2, 5, 10, 71, 142, 197, 355, 394, 710, 985, 1970, 5041, 10082, 13987, 25205, 27974, 50410, 69935, 139870, 993077, 1986154, 4965385, 9930770]

約数ペア:

[(1, 9930770), (2, 4965385), (5, 1986154), (10, 993077), (71, 139870), (142, 69935), (197, 50410), (355, 27974), (394, 25205), (710, 13987), (985, 10082), (1970, 5041)]