220005756

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{1721}}^1$

素因数の和:1851

約数の個数: 72

約数和(自身を含む): 575409744

約数和(自身を除く): 355403988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 67, 106, 134, 159, 201, 212, 268, 318, 402, 477, 603, 636, 804, 954, 1206, 1721, 1908, 2412, 3442, 3551, 5163, 6884, 7102, 10326, 10653, 14204, 15489, 20652, 21306, 30978, 31959, 42612, 61956, 63918, 91213, 115307, 127836, 182426, 230614, 273639, 345921, 364852, 461228, 547278, 691842, 820917, 1037763, 1094556, 1383684, 1641834, 2075526, 3283668, 4151052, 6111271, 12222542, 18333813, 24445084, 36667626, 55001439, 73335252, 110002878, 220005756]

約数ペア:

[(1, 220005756), (2, 110002878), (3, 73335252), (4, 55001439), (6, 36667626), (9, 24445084), (12, 18333813), (18, 12222542), (36, 6111271), (53, 4151052), (67, 3283668), (106, 2075526), (134, 1641834), (159, 1383684), (201, 1094556), (212, 1037763), (268, 820917), (318, 691842), (402, 547278), (477, 461228), (603, 364852), (636, 345921), (804, 273639), (954, 230614), (1206, 182426), (1721, 127836), (1908, 115307), (2412, 91213), (3442, 63918), (3551, 61956), (5163, 42612), (6884, 31959), (7102, 30978), (10326, 21306), (10653, 20652), (14204, 15489)]