83128900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{769}}^1$

素因数の和:853

約数の個数: 72

約数和(自身を含む): 192487680

約数和(自身を除く): 109358780

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 47, 50, 92, 94, 100, 115, 188, 230, 235, 460, 470, 575, 769, 940, 1081, 1150, 1175, 1538, 2162, 2300, 2350, 3076, 3845, 4324, 4700, 5405, 7690, 10810, 15380, 17687, 19225, 21620, 27025, 35374, 36143, 38450, 54050, 70748, 72286, 76900, 88435, 108100, 144572, 176870, 180715, 353740, 361430, 442175, 722860, 831289, 884350, 903575, 1662578, 1768700, 1807150, 3325156, 3614300, 4156445, 8312890, 16625780, 20782225, 41564450, 83128900]

約数ペア:

[(1, 83128900), (2, 41564450), (4, 20782225), (5, 16625780), (10, 8312890), (20, 4156445), (23, 3614300), (25, 3325156), (46, 1807150), (47, 1768700), (50, 1662578), (92, 903575), (94, 884350), (100, 831289), (115, 722860), (188, 442175), (230, 361430), (235, 353740), (460, 180715), (470, 176870), (575, 144572), (769, 108100), (940, 88435), (1081, 76900), (1150, 72286), (1175, 70748), (1538, 54050), (2162, 38450), (2300, 36143), (2350, 35374), (3076, 27025), (3845, 21620), (4324, 19225), (4700, 17687), (5405, 15380), (7690, 10810)]