71440000

素因数分解:

$2^7\times 5^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:100

約数の個数: 160

約数和(自身を含む): 191188800

約数和(自身を除く): 119748800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 47, 50, 64, 76, 80, 94, 95, 100, 125, 128, 152, 160, 188, 190, 200, 235, 250, 304, 320, 376, 380, 400, 470, 475, 500, 608, 625, 640, 752, 760, 800, 893, 940, 950, 1000, 1175, 1216, 1250, 1504, 1520, 1600, 1786, 1880, 1900, 2000, 2350, 2375, 2432, 2500, 3008, 3040, 3200, 3572, 3760, 3800, 4000, 4465, 4700, 4750, 5000, 5875, 6016, 6080, 7144, 7520, 7600, 8000, 8930, 9400, 9500, 10000, 11750, 11875, 12160, 14288, 15040, 15200, 16000, 17860, 18800, 19000, 20000, 22325, 23500, 23750, 28576, 29375, 30080, 30400, 35720, 37600, 38000, 40000, 44650, 47000, 47500, 57152, 58750, 60800, 71440, 75200, 76000, 80000, 89300, 94000, 95000, 111625, 114304, 117500, 142880, 150400, 152000, 178600, 188000, 190000, 223250, 235000, 285760, 304000, 357200, 376000, 380000, 446500, 470000, 558125, 571520, 714400, 752000, 760000, 893000, 940000, 1116250, 1428800, 1520000, 1786000, 1880000, 2232500, 2857600, 3572000, 3760000, 4465000, 7144000, 8930000, 14288000, 17860000, 35720000, 71440000]

約数ペア:

[(1, 71440000), (2, 35720000), (4, 17860000), (5, 14288000), (8, 8930000), (10, 7144000), (16, 4465000), (19, 3760000), (20, 3572000), (25, 2857600), (32, 2232500), (38, 1880000), (40, 1786000), (47, 1520000), (50, 1428800), (64, 1116250), (76, 940000), (80, 893000), (94, 760000), (95, 752000), (100, 714400), (125, 571520), (128, 558125), (152, 470000), (160, 446500), (188, 380000), (190, 376000), (200, 357200), (235, 304000), (250, 285760), (304, 235000), (320, 223250), (376, 190000), (380, 188000), (400, 178600), (470, 152000), (475, 150400), (500, 142880), (608, 117500), (625, 114304), (640, 111625), (752, 95000), (760, 94000), (800, 89300), (893, 80000), (940, 76000), (950, 75200), (1000, 71440), (1175, 60800), (1216, 58750), (1250, 57152), (1504, 47500), (1520, 47000), (1600, 44650), (1786, 40000), (1880, 38000), (1900, 37600), (2000, 35720), (2350, 30400), (2375, 30080), (2432, 29375), (2500, 28576), (3008, 23750), (3040, 23500), (3200, 22325), (3572, 20000), (3760, 19000), (3800, 18800), (4000, 17860), (4465, 16000), (4700, 15200), (4750, 15040), (5000, 14288), (5875, 12160), (6016, 11875), (6080, 11750), (7144, 10000), (7520, 9500), (7600, 9400), (8000, 8930)]