690872440

素因数分解:

$2^3\times 5^1\times {\mathrm{1453}}^1\times {\mathrm{11887}}^1$

素因数の和:13351

約数の個数: 32

約数和(自身を含む): 1555663680

約数和(自身を除く): 864791240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1453, 2906, 5812, 7265, 11624, 11887, 14530, 23774, 29060, 47548, 58120, 59435, 95096, 118870, 237740, 475480, 17271811, 34543622, 69087244, 86359055, 138174488, 172718110, 345436220, 690872440]

約数ペア:

[(1, 690872440), (2, 345436220), (4, 172718110), (5, 138174488), (8, 86359055), (10, 69087244), (20, 34543622), (40, 17271811), (1453, 475480), (2906, 237740), (5812, 118870), (7265, 95096), (11624, 59435), (11887, 58120), (14530, 47548), (23774, 29060)]