280374876

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{6389}}^1$

素因数の和:6475

約数の個数: 72

約数和(自身を含む): 753611040

約数和(自身を除く): 473236164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 53, 69, 92, 106, 138, 159, 207, 212, 276, 318, 414, 477, 636, 828, 954, 1219, 1908, 2438, 3657, 4876, 6389, 7314, 10971, 12778, 14628, 19167, 21942, 25556, 38334, 43884, 57501, 76668, 115002, 146947, 230004, 293894, 338617, 440841, 587788, 677234, 881682, 1015851, 1322523, 1354468, 1763364, 2031702, 2645046, 3047553, 4063404, 5290092, 6095106, 7788191, 12190212, 15576382, 23364573, 31152764, 46729146, 70093719, 93458292, 140187438, 280374876]

約数ペア:

[(1, 280374876), (2, 140187438), (3, 93458292), (4, 70093719), (6, 46729146), (9, 31152764), (12, 23364573), (18, 15576382), (23, 12190212), (36, 7788191), (46, 6095106), (53, 5290092), (69, 4063404), (92, 3047553), (106, 2645046), (138, 2031702), (159, 1763364), (207, 1354468), (212, 1322523), (276, 1015851), (318, 881682), (414, 677234), (477, 587788), (636, 440841), (828, 338617), (954, 293894), (1219, 230004), (1908, 146947), (2438, 115002), (3657, 76668), (4876, 57501), (6389, 43884), (7314, 38334), (10971, 25556), (12778, 21942), (14628, 19167)]