1298140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1381}}^1$

素因数の和:1437

約数の個数: 24

約数和(自身を含む): 2786112

約数和(自身を除く): 1487972

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 1381, 2762, 5524, 6905, 13810, 27620, 64907, 129814, 259628, 324535, 649070, 1298140]

約数ペア:

[(1, 1298140), (2, 649070), (4, 324535), (5, 259628), (10, 129814), (20, 64907), (47, 27620), (94, 13810), (188, 6905), (235, 5524), (470, 2762), (940, 1381)]