799280000

素因数分解:

$2^7\times 5^4\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:234

約数の個数: 160

約数和(自身を含む): 2029787760

約数和(自身を除く): 1230507760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 97, 100, 103, 125, 128, 160, 194, 200, 206, 250, 320, 388, 400, 412, 485, 500, 515, 625, 640, 776, 800, 824, 970, 1000, 1030, 1250, 1552, 1600, 1648, 1940, 2000, 2060, 2425, 2500, 2575, 3104, 3200, 3296, 3880, 4000, 4120, 4850, 5000, 5150, 6208, 6592, 7760, 8000, 8240, 9700, 9991, 10000, 10300, 12125, 12416, 12875, 13184, 15520, 16000, 16480, 19400, 19982, 20000, 20600, 24250, 25750, 31040, 32960, 38800, 39964, 40000, 41200, 48500, 49955, 51500, 60625, 62080, 64375, 65920, 77600, 79928, 80000, 82400, 97000, 99910, 103000, 121250, 128750, 155200, 159856, 164800, 194000, 199820, 206000, 242500, 249775, 257500, 310400, 319712, 329600, 388000, 399640, 412000, 485000, 499550, 515000, 639424, 776000, 799280, 824000, 970000, 999100, 1030000, 1248875, 1278848, 1552000, 1598560, 1648000, 1940000, 1998200, 2060000, 2497750, 3197120, 3880000, 3996400, 4120000, 4995500, 6244375, 6394240, 7760000, 7992800, 8240000, 9991000, 12488750, 15985600, 19982000, 24977500, 31971200, 39964000, 49955000, 79928000, 99910000, 159856000, 199820000, 399640000, 799280000]

約数ペア:

[(1, 799280000), (2, 399640000), (4, 199820000), (5, 159856000), (8, 99910000), (10, 79928000), (16, 49955000), (20, 39964000), (25, 31971200), (32, 24977500), (40, 19982000), (50, 15985600), (64, 12488750), (80, 9991000), (97, 8240000), (100, 7992800), (103, 7760000), (125, 6394240), (128, 6244375), (160, 4995500), (194, 4120000), (200, 3996400), (206, 3880000), (250, 3197120), (320, 2497750), (388, 2060000), (400, 1998200), (412, 1940000), (485, 1648000), (500, 1598560), (515, 1552000), (625, 1278848), (640, 1248875), (776, 1030000), (800, 999100), (824, 970000), (970, 824000), (1000, 799280), (1030, 776000), (1250, 639424), (1552, 515000), (1600, 499550), (1648, 485000), (1940, 412000), (2000, 399640), (2060, 388000), (2425, 329600), (2500, 319712), (2575, 310400), (3104, 257500), (3200, 249775), (3296, 242500), (3880, 206000), (4000, 199820), (4120, 194000), (4850, 164800), (5000, 159856), (5150, 155200), (6208, 128750), (6592, 121250), (7760, 103000), (8000, 99910), (8240, 97000), (9700, 82400), (9991, 80000), (10000, 79928), (10300, 77600), (12125, 65920), (12416, 64375), (12875, 62080), (13184, 60625), (15520, 51500), (16000, 49955), (16480, 48500), (19400, 41200), (19982, 40000), (20000, 39964), (20600, 38800), (24250, 32960), (25750, 31040)]