139129480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{496891}}^1$

素因数の和:496909

約数の個数: 32

約数和(自身を含む): 357762240

約数和(自身を除く): 218632760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 496891, 993782, 1987564, 2484455, 3478237, 3975128, 4968910, 6956474, 9937820, 13912948, 17391185, 19875640, 27825896, 34782370, 69564740, 139129480]

約数ペア:

[(1, 139129480), (2, 69564740), (4, 34782370), (5, 27825896), (7, 19875640), (8, 17391185), (10, 13912948), (14, 9937820), (20, 6956474), (28, 4968910), (35, 3975128), (40, 3478237), (56, 2484455), (70, 1987564), (140, 993782), (280, 496891)]