99910000

素因数分解:

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

素因数の和:228

約数の個数: 100

約数和(自身を含む): 246758512

約数和(自身を除く): 146848512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 97, 100, 103, 125, 194, 200, 206, 250, 388, 400, 412, 485, 500, 515, 625, 776, 824, 970, 1000, 1030, 1250, 1552, 1648, 1940, 2000, 2060, 2425, 2500, 2575, 3880, 4120, 4850, 5000, 5150, 7760, 8240, 9700, 9991, 10000, 10300, 12125, 12875, 19400, 19982, 20600, 24250, 25750, 38800, 39964, 41200, 48500, 49955, 51500, 60625, 64375, 79928, 97000, 99910, 103000, 121250, 128750, 159856, 194000, 199820, 206000, 242500, 249775, 257500, 399640, 485000, 499550, 515000, 799280, 970000, 999100, 1030000, 1248875, 1998200, 2497750, 3996400, 4995500, 6244375, 9991000, 12488750, 19982000, 24977500, 49955000, 99910000]

約数ペア:

[(1, 99910000), (2, 49955000), (4, 24977500), (5, 19982000), (8, 12488750), (10, 9991000), (16, 6244375), (20, 4995500), (25, 3996400), (40, 2497750), (50, 1998200), (80, 1248875), (97, 1030000), (100, 999100), (103, 970000), (125, 799280), (194, 515000), (200, 499550), (206, 485000), (250, 399640), (388, 257500), (400, 249775), (412, 242500), (485, 206000), (500, 199820), (515, 194000), (625, 159856), (776, 128750), (824, 121250), (970, 103000), (1000, 99910), (1030, 97000), (1250, 79928), (1552, 64375), (1648, 60625), (1940, 51500), (2000, 49955), (2060, 48500), (2425, 41200), (2500, 39964), (2575, 38800), (3880, 25750), (4120, 24250), (4850, 20600), (5000, 19982), (5150, 19400), (7760, 12875), (8240, 12125), (9700, 10300), (9991, 10000)]