290393120

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:634

約数の個数: 96

約数和(自身を含む): 715309056

約数和(自身を除く): 424915936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 127, 155, 160, 248, 254, 310, 461, 496, 508, 620, 635, 922, 992, 1016, 1240, 1270, 1844, 2032, 2305, 2480, 2540, 3688, 3937, 4064, 4610, 4960, 5080, 7376, 7874, 9220, 10160, 14291, 14752, 15748, 18440, 19685, 20320, 28582, 31496, 36880, 39370, 57164, 58547, 62992, 71455, 73760, 78740, 114328, 117094, 125984, 142910, 157480, 228656, 234188, 285820, 292735, 314960, 457312, 468376, 571640, 585470, 629920, 936752, 1143280, 1170940, 1814957, 1873504, 2286560, 2341880, 3629914, 4683760, 7259828, 9074785, 9367520, 14519656, 18149570, 29039312, 36299140, 58078624, 72598280, 145196560, 290393120]

約数ペア:

[(1, 290393120), (2, 145196560), (4, 72598280), (5, 58078624), (8, 36299140), (10, 29039312), (16, 18149570), (20, 14519656), (31, 9367520), (32, 9074785), (40, 7259828), (62, 4683760), (80, 3629914), (124, 2341880), (127, 2286560), (155, 1873504), (160, 1814957), (248, 1170940), (254, 1143280), (310, 936752), (461, 629920), (496, 585470), (508, 571640), (620, 468376), (635, 457312), (922, 314960), (992, 292735), (1016, 285820), (1240, 234188), (1270, 228656), (1844, 157480), (2032, 142910), (2305, 125984), (2480, 117094), (2540, 114328), (3688, 78740), (3937, 73760), (4064, 71455), (4610, 62992), (4960, 58547), (5080, 57164), (7376, 39370), (7874, 36880), (9220, 31496), (10160, 28582), (14291, 20320), (14752, 19685), (15748, 18440)]