1898900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1117}}^1$

素因数の和:1148

約数の個数: 36

約数和(自身を含む): 4366908

約数和(自身を除く): 2468008

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1117, 1700, 2234, 4468, 5585, 11170, 18989, 22340, 27925, 37978, 55850, 75956, 94945, 111700, 189890, 379780, 474725, 949450, 1898900]

約数ペア:

[(1, 1898900), (2, 949450), (4, 474725), (5, 379780), (10, 189890), (17, 111700), (20, 94945), (25, 75956), (34, 55850), (50, 37978), (68, 27925), (85, 22340), (100, 18989), (170, 11170), (340, 5585), (425, 4468), (850, 2234), (1117, 1700)]