74860180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{220177}}^1$

素因数の和:220203

約数の個数: 24

約数和(自身を含む): 166454568

約数和(自身を除く): 91594388

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 220177, 440354, 880708, 1100885, 2201770, 3743009, 4403540, 7486018, 14972036, 18715045, 37430090, 74860180]

約数ペア:

[(1, 74860180), (2, 37430090), (4, 18715045), (5, 14972036), (10, 7486018), (17, 4403540), (20, 3743009), (34, 2201770), (68, 1100885), (85, 880708), (170, 440354), (340, 220177)]