78490000

素因数分解:

$2^4\times 5^4\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:242

約数の個数: 100

約数和(自身を含む): 195237504

約数和(自身を除く): 116747504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 100, 125, 167, 188, 200, 235, 250, 334, 376, 400, 470, 500, 625, 668, 752, 835, 940, 1000, 1175, 1250, 1336, 1670, 1880, 2000, 2350, 2500, 2672, 3340, 3760, 4175, 4700, 5000, 5875, 6680, 7849, 8350, 9400, 10000, 11750, 13360, 15698, 16700, 18800, 20875, 23500, 29375, 31396, 33400, 39245, 41750, 47000, 58750, 62792, 66800, 78490, 83500, 94000, 104375, 117500, 125584, 156980, 167000, 196225, 208750, 235000, 313960, 334000, 392450, 417500, 470000, 627920, 784900, 835000, 981125, 1569800, 1670000, 1962250, 3139600, 3924500, 4905625, 7849000, 9811250, 15698000, 19622500, 39245000, 78490000]

約数ペア:

[(1, 78490000), (2, 39245000), (4, 19622500), (5, 15698000), (8, 9811250), (10, 7849000), (16, 4905625), (20, 3924500), (25, 3139600), (40, 1962250), (47, 1670000), (50, 1569800), (80, 981125), (94, 835000), (100, 784900), (125, 627920), (167, 470000), (188, 417500), (200, 392450), (235, 334000), (250, 313960), (334, 235000), (376, 208750), (400, 196225), (470, 167000), (500, 156980), (625, 125584), (668, 117500), (752, 104375), (835, 94000), (940, 83500), (1000, 78490), (1175, 66800), (1250, 62792), (1336, 58750), (1670, 47000), (1880, 41750), (2000, 39245), (2350, 33400), (2500, 31396), (2672, 29375), (3340, 23500), (3760, 20875), (4175, 18800), (4700, 16700), (5000, 15698), (5875, 13360), (6680, 11750), (7849, 10000), (8350, 9400)]