39287990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{5557}}^1$

素因数の和:5672

約数の個数: 32

約数和(自身を含む): 81635904

約数和(自身を除く): 42347914

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 3535, 5557, 7070, 11114, 27785, 38899, 55570, 77798, 194495, 388990, 561257, 1122514, 2806285, 3928799, 5612570, 7857598, 19643995, 39287990]

約数ペア:

[(1, 39287990), (2, 19643995), (5, 7857598), (7, 5612570), (10, 3928799), (14, 2806285), (35, 1122514), (70, 561257), (101, 388990), (202, 194495), (505, 77798), (707, 55570), (1010, 38899), (1414, 27785), (3535, 11114), (5557, 7070)]