1298251010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{208387}}^1$

素因数の和:208490

約数の個数: 32

約数和(自身を含む): 2700708480

約数和(自身を除く): 1402457470

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 6230, 208387, 416774, 1041935, 1458709, 2083870, 2917418, 7293545, 14587090, 18546443, 37092886, 92732215, 129825101, 185464430, 259650202, 649125505, 1298251010]

約数ペア:

[(1, 1298251010), (2, 649125505), (5, 259650202), (7, 185464430), (10, 129825101), (14, 92732215), (35, 37092886), (70, 18546443), (89, 14587090), (178, 7293545), (445, 2917418), (623, 2083870), (890, 1458709), (1246, 1041935), (3115, 416774), (6230, 208387)]