201728990

素因数分解:

$2^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{43759}}^1$

素因数の和:44227

約数の個数: 16

約数和(自身を含む): 363908160

約数和(自身を除く): 162179170

約数列:

[1, 2, 5, 10, 461, 922, 2305, 4610, 43759, 87518, 218795, 437590, 20172899, 40345798, 100864495, 201728990]

約数ペア:

[(1, 201728990), (2, 100864495), (5, 40345798), (10, 20172899), (461, 437590), (922, 218795), (2305, 87518), (4610, 43759)]