137477620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{981983}}^1$

素因数の和:981999

約数の個数: 24

約数和(自身を含む): 329946624

約数和(自身を除く): 192469004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 981983, 1963966, 3927932, 4909915, 6873881, 9819830, 13747762, 19639660, 27495524, 34369405, 68738810, 137477620]

約数ペア:

[(1, 137477620), (2, 68738810), (4, 34369405), (5, 27495524), (7, 19639660), (10, 13747762), (14, 9819830), (20, 6873881), (28, 4909915), (35, 3927932), (70, 1963966), (140, 981983)]