161796140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43261}}^1$

素因数の和:43298

約数の個数: 48

約数和(自身を含む): 392472864

約数和(自身を除く): 230676724

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 43261, 86522, 173044, 216305, 432610, 475871, 735437, 865220, 951742, 1470874, 1903484, 2379355, 2941748, 3677185, 4758710, 7354370, 8089807, 9517420, 14708740, 16179614, 32359228, 40449035, 80898070, 161796140]

約数ペア:

[(1, 161796140), (2, 80898070), (4, 40449035), (5, 32359228), (10, 16179614), (11, 14708740), (17, 9517420), (20, 8089807), (22, 7354370), (34, 4758710), (44, 3677185), (55, 2941748), (68, 2379355), (85, 1903484), (110, 1470874), (170, 951742), (187, 865220), (220, 735437), (340, 475871), (374, 432610), (748, 216305), (935, 173044), (1870, 86522), (3740, 43261)]