21970500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 65065728

約数和(自身を除く): 43095228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 97, 100, 125, 150, 151, 194, 250, 291, 300, 302, 375, 388, 453, 485, 500, 582, 604, 750, 755, 906, 970, 1164, 1455, 1500, 1510, 1812, 1940, 2265, 2425, 2910, 3020, 3775, 4530, 4850, 5820, 7275, 7550, 9060, 9700, 11325, 12125, 14550, 14647, 15100, 18875, 22650, 24250, 29100, 29294, 36375, 37750, 43941, 45300, 48500, 56625, 58588, 72750, 73235, 75500, 87882, 113250, 145500, 146470, 175764, 219705, 226500, 292940, 366175, 439410, 732350, 878820, 1098525, 1464700, 1830875, 2197050, 3661750, 4394100, 5492625, 7323500, 10985250, 21970500]

約数ペア:

[(1, 21970500), (2, 10985250), (3, 7323500), (4, 5492625), (5, 4394100), (6, 3661750), (10, 2197050), (12, 1830875), (15, 1464700), (20, 1098525), (25, 878820), (30, 732350), (50, 439410), (60, 366175), (75, 292940), (97, 226500), (100, 219705), (125, 175764), (150, 146470), (151, 145500), (194, 113250), (250, 87882), (291, 75500), (300, 73235), (302, 72750), (375, 58588), (388, 56625), (453, 48500), (485, 45300), (500, 43941), (582, 37750), (604, 36375), (750, 29294), (755, 29100), (906, 24250), (970, 22650), (1164, 18875), (1455, 15100), (1500, 14647), (1510, 14550), (1812, 12125), (1940, 11325), (2265, 9700), (2425, 9060), (2910, 7550), (3020, 7275), (3775, 5820), (4530, 4850)]