858487250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{201997}}^1$

素因数の和:202031

約数の個数: 32

約数和(自身を含む): 1701631152

約数和(自身を除く): 843143902

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 201997, 403994, 1009985, 2019970, 3433949, 5049925, 6867898, 10099850, 17169745, 25249625, 34339490, 50499250, 85848725, 171697450, 429243625, 858487250]

約数ペア:

[(1, 858487250), (2, 429243625), (5, 171697450), (10, 85848725), (17, 50499250), (25, 34339490), (34, 25249625), (50, 17169745), (85, 10099850), (125, 6867898), (170, 5049925), (250, 3433949), (425, 2019970), (850, 1009985), (2125, 403994), (4250, 201997)]