90212095

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 124431552

約数和(自身を除く): 34219457

約数列:

[1, 5, 19, 23, 41, 53, 95, 115, 205, 265, 361, 437, 779, 943, 1007, 1219, 1805, 2173, 2185, 3895, 4715, 5035, 6095, 8303, 10865, 14801, 17917, 19133, 23161, 41287, 41515, 49979, 74005, 89585, 95665, 115805, 206435, 249895, 340423, 440059, 784453, 949601, 1702115, 2200295, 3922265, 4748005, 18042419, 90212095]

約数ペア:

[(1, 90212095), (5, 18042419), (19, 4748005), (23, 3922265), (41, 2200295), (53, 1702115), (95, 949601), (115, 784453), (205, 440059), (265, 340423), (361, 249895), (437, 206435), (779, 115805), (943, 95665), (1007, 89585), (1219, 74005), (1805, 49979), (2173, 41515), (2185, 41287), (3895, 23161), (4715, 19133), (5035, 17917), (6095, 14801), (8303, 10865)]