9975910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{20359}}^1$

素因数の和:20380

約数の個数: 24

約数和(自身を含む): 20889360

約数和(自身を除く): 10913450

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 20359, 40718, 101795, 142513, 203590, 285026, 712565, 997591, 1425130, 1995182, 4987955, 9975910]

約数ペア:

[(1, 9975910), (2, 4987955), (5, 1995182), (7, 1425130), (10, 997591), (14, 712565), (35, 285026), (49, 203590), (70, 142513), (98, 101795), (245, 40718), (490, 20359)]