15678965000

素因数分解:

$2^3\times 5^4\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:697

約数の個数: 160

約数和(自身を含む): 37868878080

約数和(自身を除く): 22189913080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 125, 137, 188, 200, 235, 250, 274, 376, 470, 487, 500, 548, 625, 685, 940, 974, 1000, 1096, 1175, 1250, 1370, 1880, 1948, 2350, 2435, 2500, 2740, 3425, 3896, 4700, 4870, 5000, 5480, 5875, 6439, 6850, 9400, 9740, 11750, 12175, 12878, 13700, 17125, 19480, 22889, 23500, 24350, 25756, 27400, 29375, 32195, 34250, 45778, 47000, 48700, 51512, 58750, 60875, 64390, 66719, 68500, 85625, 91556, 97400, 114445, 117500, 121750, 128780, 133438, 137000, 160975, 171250, 183112, 228890, 235000, 243500, 257560, 266876, 304375, 321950, 333595, 342500, 457780, 487000, 533752, 572225, 608750, 643900, 667190, 685000, 804875, 915560, 1144450, 1217500, 1287800, 1334380, 1609750, 1667975, 2288900, 2435000, 2668760, 2861125, 3135793, 3219500, 3335950, 4024375, 4577800, 5722250, 6271586, 6439000, 6671900, 8048750, 8339875, 11444500, 12543172, 13343800, 14305625, 15678965, 16097500, 16679750, 22889000, 25086344, 28611250, 31357930, 32195000, 33359500, 41699375, 57222500, 62715860, 66719000, 78394825, 83398750, 114445000, 125431720, 156789650, 166797500, 313579300, 333595000, 391974125, 627158600, 783948250, 1567896500, 1959870625, 3135793000, 3919741250, 7839482500, 15678965000]

約数ペア:

[(1, 15678965000), (2, 7839482500), (4, 3919741250), (5, 3135793000), (8, 1959870625), (10, 1567896500), (20, 783948250), (25, 627158600), (40, 391974125), (47, 333595000), (50, 313579300), (94, 166797500), (100, 156789650), (125, 125431720), (137, 114445000), (188, 83398750), (200, 78394825), (235, 66719000), (250, 62715860), (274, 57222500), (376, 41699375), (470, 33359500), (487, 32195000), (500, 31357930), (548, 28611250), (625, 25086344), (685, 22889000), (940, 16679750), (974, 16097500), (1000, 15678965), (1096, 14305625), (1175, 13343800), (1250, 12543172), (1370, 11444500), (1880, 8339875), (1948, 8048750), (2350, 6671900), (2435, 6439000), (2500, 6271586), (2740, 5722250), (3425, 4577800), (3896, 4024375), (4700, 3335950), (4870, 3219500), (5000, 3135793), (5480, 2861125), (5875, 2668760), (6439, 2435000), (6850, 2288900), (9400, 1667975), (9740, 1609750), (11750, 1334380), (12175, 1287800), (12878, 1217500), (13700, 1144450), (17125, 915560), (19480, 804875), (22889, 685000), (23500, 667190), (24350, 643900), (25756, 608750), (27400, 572225), (29375, 533752), (32195, 487000), (34250, 457780), (45778, 342500), (47000, 333595), (48700, 321950), (51512, 304375), (58750, 266876), (60875, 257560), (64390, 243500), (66719, 235000), (68500, 228890), (85625, 183112), (91556, 171250), (97400, 160975), (114445, 137000), (117500, 133438), (121750, 128780)]