339917720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{499879}}^1$

素因数の和:499907

約数の個数: 32

約数和(自身を含む): 809805600

約数和(自身を除く): 469887880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 499879, 999758, 1999516, 2499395, 3999032, 4998790, 8497943, 9997580, 16995886, 19995160, 33991772, 42489715, 67983544, 84979430, 169958860, 339917720]

約数ペア:

[(1, 339917720), (2, 169958860), (4, 84979430), (5, 67983544), (8, 42489715), (10, 33991772), (17, 19995160), (20, 16995886), (34, 9997580), (40, 8497943), (68, 4998790), (85, 3999032), (136, 2499395), (170, 1999516), (340, 999758), (680, 499879)]