4477340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31981}}^1$

素因数の和:31997

約数の個数: 24

約数和(自身を含む): 10745952

約数和(自身を除く): 6268612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 31981, 63962, 127924, 159905, 223867, 319810, 447734, 639620, 895468, 1119335, 2238670, 4477340]

約数ペア:

[(1, 4477340), (2, 2238670), (4, 1119335), (5, 895468), (7, 639620), (10, 447734), (14, 319810), (20, 223867), (28, 159905), (35, 127924), (70, 63962), (140, 31981)]