199645880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{713021}}^1$

素因数の和:713039

約数の個数: 32

約数和(自身を含む): 513375840

約数和(自身を除く): 313729960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 713021, 1426042, 2852084, 3565105, 4991147, 5704168, 7130210, 9982294, 14260420, 19964588, 24955735, 28520840, 39929176, 49911470, 99822940, 199645880]

約数ペア:

[(1, 199645880), (2, 99822940), (4, 49911470), (5, 39929176), (7, 28520840), (8, 24955735), (10, 19964588), (14, 14260420), (20, 9982294), (28, 7130210), (35, 5704168), (40, 4991147), (56, 3565105), (70, 2852084), (140, 1426042), (280, 713021)]