31223420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{659}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 69189120

約数和(自身を除く): 37965700

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 103, 115, 206, 230, 412, 460, 515, 659, 1030, 1318, 2060, 2369, 2636, 3295, 4738, 6590, 9476, 11845, 13180, 15157, 23690, 30314, 47380, 60628, 67877, 75785, 135754, 151570, 271508, 303140, 339385, 678770, 1357540, 1561171, 3122342, 6244684, 7805855, 15611710, 31223420]

約数ペア:

[(1, 31223420), (2, 15611710), (4, 7805855), (5, 6244684), (10, 3122342), (20, 1561171), (23, 1357540), (46, 678770), (92, 339385), (103, 303140), (115, 271508), (206, 151570), (230, 135754), (412, 75785), (460, 67877), (515, 60628), (659, 47380), (1030, 30314), (1318, 23690), (2060, 15157), (2369, 13180), (2636, 11845), (3295, 9476), (4738, 6590)]