978860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2879}}^1$

素因数の和:2905

約数の個数: 24

約数和(自身を含む): 2177280

約数和(自身を除く): 1198420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2879, 5758, 11516, 14395, 28790, 48943, 57580, 97886, 195772, 244715, 489430, 978860]

約数ペア:

[(1, 978860), (2, 489430), (4, 244715), (5, 195772), (10, 97886), (17, 57580), (20, 48943), (34, 28790), (68, 14395), (85, 11516), (170, 5758), (340, 2879)]