217044440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{319183}}^1$

素因数の和:319211

約数の個数: 32

約数和(自身を含む): 517078080

約数和(自身を除く): 300033640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 319183, 638366, 1276732, 1595915, 2553464, 3191830, 5426111, 6383660, 10852222, 12767320, 21704444, 27130555, 43408888, 54261110, 108522220, 217044440]

約数ペア:

[(1, 217044440), (2, 108522220), (4, 54261110), (5, 43408888), (8, 27130555), (10, 21704444), (17, 12767320), (20, 10852222), (34, 6383660), (40, 5426111), (68, 3191830), (85, 2553464), (136, 1595915), (170, 1276732), (340, 638366), (680, 319183)]