201820780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11351}}^1$

素因数の和:11494

約数の個数: 48

約数和(自身を含む): 488226816

約数和(自身を除く): 286406036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 11351, 17780, 22702, 45404, 56755, 79457, 113510, 158914, 227020, 317828, 397285, 794570, 1441577, 1589140, 2883154, 5766308, 7207885, 10091039, 14415770, 20182078, 28831540, 40364156, 50455195, 100910390, 201820780]

約数ペア:

[(1, 201820780), (2, 100910390), (4, 50455195), (5, 40364156), (7, 28831540), (10, 20182078), (14, 14415770), (20, 10091039), (28, 7207885), (35, 5766308), (70, 2883154), (127, 1589140), (140, 1441577), (254, 794570), (508, 397285), (635, 317828), (889, 227020), (1270, 158914), (1778, 113510), (2540, 79457), (3556, 56755), (4445, 45404), (8890, 22702), (11351, 17780)]