328416400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:629

約数の個数: 120

約数和(自身を含む): 857773224

約数和(自身を除く): 529356824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 137, 200, 208, 260, 274, 325, 400, 461, 520, 548, 650, 685, 922, 1040, 1096, 1300, 1370, 1781, 1844, 2192, 2305, 2600, 2740, 3425, 3562, 3688, 4610, 5200, 5480, 5993, 6850, 7124, 7376, 8905, 9220, 10960, 11525, 11986, 13700, 14248, 17810, 18440, 23050, 23972, 27400, 28496, 29965, 35620, 36880, 44525, 46100, 47944, 54800, 59930, 63157, 71240, 89050, 92200, 95888, 119860, 126314, 142480, 149825, 178100, 184400, 239720, 252628, 299650, 315785, 356200, 479440, 505256, 599300, 631570, 712400, 821041, 1010512, 1198600, 1263140, 1578925, 1642082, 2397200, 2526280, 3157850, 3284164, 4105205, 5052560, 6315700, 6568328, 8210410, 12631400, 13136656, 16420820, 20526025, 25262800, 32841640, 41052050, 65683280, 82104100, 164208200, 328416400]

約数ペア:

[(1, 328416400), (2, 164208200), (4, 82104100), (5, 65683280), (8, 41052050), (10, 32841640), (13, 25262800), (16, 20526025), (20, 16420820), (25, 13136656), (26, 12631400), (40, 8210410), (50, 6568328), (52, 6315700), (65, 5052560), (80, 4105205), (100, 3284164), (104, 3157850), (130, 2526280), (137, 2397200), (200, 1642082), (208, 1578925), (260, 1263140), (274, 1198600), (325, 1010512), (400, 821041), (461, 712400), (520, 631570), (548, 599300), (650, 505256), (685, 479440), (922, 356200), (1040, 315785), (1096, 299650), (1300, 252628), (1370, 239720), (1781, 184400), (1844, 178100), (2192, 149825), (2305, 142480), (2600, 126314), (2740, 119860), (3425, 95888), (3562, 92200), (3688, 89050), (4610, 71240), (5200, 63157), (5480, 59930), (5993, 54800), (6850, 47944), (7124, 46100), (7376, 44525), (8905, 36880), (9220, 35620), (10960, 29965), (11525, 28496), (11986, 27400), (13700, 23972), (14248, 23050), (17810, 18440)]