8257900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 20998656

約数和(自身を除く): 12740756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 70, 94, 100, 140, 175, 188, 235, 251, 329, 350, 470, 502, 658, 700, 940, 1004, 1175, 1255, 1316, 1645, 1757, 2350, 2510, 3290, 3514, 4700, 5020, 6275, 6580, 7028, 8225, 8785, 11797, 12550, 16450, 17570, 23594, 25100, 32900, 35140, 43925, 47188, 58985, 82579, 87850, 117970, 165158, 175700, 235940, 294925, 330316, 412895, 589850, 825790, 1179700, 1651580, 2064475, 4128950, 8257900]

約数ペア:

[(1, 8257900), (2, 4128950), (4, 2064475), (5, 1651580), (7, 1179700), (10, 825790), (14, 589850), (20, 412895), (25, 330316), (28, 294925), (35, 235940), (47, 175700), (50, 165158), (70, 117970), (94, 87850), (100, 82579), (140, 58985), (175, 47188), (188, 43925), (235, 35140), (251, 32900), (329, 25100), (350, 23594), (470, 17570), (502, 16450), (658, 12550), (700, 11797), (940, 8785), (1004, 8225), (1175, 7028), (1255, 6580), (1316, 6275), (1645, 5020), (1757, 4700), (2350, 3514), (2510, 3290)]