15571220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{15889}}^1$

素因数の和:15912

約数の個数: 36

約数和(自身を含む): 38040660

約数和(自身を除く): 22469440

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 15889, 31778, 63556, 79445, 111223, 158890, 222446, 317780, 444892, 556115, 778561, 1112230, 1557122, 2224460, 3114244, 3892805, 7785610, 15571220]

約数ペア:

[(1, 15571220), (2, 7785610), (4, 3892805), (5, 3114244), (7, 2224460), (10, 1557122), (14, 1112230), (20, 778561), (28, 556115), (35, 444892), (49, 317780), (70, 222446), (98, 158890), (140, 111223), (196, 79445), (245, 63556), (490, 31778), (980, 15889)]