3881290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{89}}^2$

素因数の和:199

約数の個数: 36

約数和(自身を含む): 8219286

約数和(自身を除く): 4337996

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 178, 245, 445, 490, 623, 890, 1246, 3115, 4361, 6230, 7921, 8722, 15842, 21805, 39605, 43610, 55447, 79210, 110894, 277235, 388129, 554470, 776258, 1940645, 3881290]

約数ペア:

[(1, 3881290), (2, 1940645), (5, 776258), (7, 554470), (10, 388129), (14, 277235), (35, 110894), (49, 79210), (70, 55447), (89, 43610), (98, 39605), (178, 21805), (245, 15842), (445, 8722), (490, 7921), (623, 6230), (890, 4361), (1246, 3115)]