12481000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{1783}}^1$

素因数の和:1811

約数の個数: 64

約数和(自身を含む): 33396480

約数和(自身を除く): 20915480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 1783, 3500, 3566, 7000, 7132, 8915, 12481, 14264, 17830, 24962, 35660, 44575, 49924, 62405, 71320, 89150, 99848, 124810, 178300, 222875, 249620, 312025, 356600, 445750, 499240, 624050, 891500, 1248100, 1560125, 1783000, 2496200, 3120250, 6240500, 12481000]

約数ペア:

[(1, 12481000), (2, 6240500), (4, 3120250), (5, 2496200), (7, 1783000), (8, 1560125), (10, 1248100), (14, 891500), (20, 624050), (25, 499240), (28, 445750), (35, 356600), (40, 312025), (50, 249620), (56, 222875), (70, 178300), (100, 124810), (125, 99848), (140, 89150), (175, 71320), (200, 62405), (250, 49924), (280, 44575), (350, 35660), (500, 24962), (700, 17830), (875, 14264), (1000, 12481), (1400, 8915), (1750, 7132), (1783, 7000), (3500, 3566)]