172215170

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{420037}}^1$

素因数の和:420085

約数の個数: 16

約数和(自身を含む): 317548728

約数和(自身を除く): 145333558

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 420037, 840074, 2100185, 4200370, 17221517, 34443034, 86107585, 172215170]

約数ペア:

[(1, 172215170), (2, 86107585), (5, 34443034), (10, 17221517), (41, 4200370), (82, 2100185), (205, 840074), (410, 420037)]