139325620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{142169}}^1$

素因数の和:142192

約数の個数: 36

約数和(自身を含む): 340354980

約数和(自身を除く): 201029360

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 142169, 284338, 568676, 710845, 995183, 1421690, 1990366, 2843380, 3980732, 4975915, 6966281, 9951830, 13932562, 19903660, 27865124, 34831405, 69662810, 139325620]

約数ペア:

[(1, 139325620), (2, 69662810), (4, 34831405), (5, 27865124), (7, 19903660), (10, 13932562), (14, 9951830), (20, 6966281), (28, 4975915), (35, 3980732), (49, 2843380), (70, 1990366), (98, 1421690), (140, 995183), (196, 710845), (245, 568676), (490, 284338), (980, 142169)]