1918634000

素因数分解:

$2^4\times 5^3\times {\mathrm{47}}^1\times {\mathrm{20411}}^1$

素因数の和:20481

約数の個数: 80

約数和(自身を含む): 4738196736

約数和(自身を除く): 2819562736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 100, 125, 188, 200, 235, 250, 376, 400, 470, 500, 752, 940, 1000, 1175, 1880, 2000, 2350, 3760, 4700, 5875, 9400, 11750, 18800, 20411, 23500, 40822, 47000, 81644, 94000, 102055, 163288, 204110, 326576, 408220, 510275, 816440, 959317, 1020550, 1632880, 1918634, 2041100, 2551375, 3837268, 4082200, 4796585, 5102750, 7674536, 8164400, 9593170, 10205500, 15349072, 19186340, 20411000, 23982925, 38372680, 40822000, 47965850, 76745360, 95931700, 119914625, 191863400, 239829250, 383726800, 479658500, 959317000, 1918634000]

約数ペア:

[(1, 1918634000), (2, 959317000), (4, 479658500), (5, 383726800), (8, 239829250), (10, 191863400), (16, 119914625), (20, 95931700), (25, 76745360), (40, 47965850), (47, 40822000), (50, 38372680), (80, 23982925), (94, 20411000), (100, 19186340), (125, 15349072), (188, 10205500), (200, 9593170), (235, 8164400), (250, 7674536), (376, 5102750), (400, 4796585), (470, 4082200), (500, 3837268), (752, 2551375), (940, 2041100), (1000, 1918634), (1175, 1632880), (1880, 1020550), (2000, 959317), (2350, 816440), (3760, 510275), (4700, 408220), (5875, 326576), (9400, 204110), (11750, 163288), (18800, 102055), (20411, 94000), (23500, 81644), (40822, 47000)]