6645380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{6781}}^1$

素因数の和:6804

約数の個数: 36

約数和(自身を含む): 16236108

約数和(自身を除く): 9590728

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 6781, 13562, 27124, 33905, 47467, 67810, 94934, 135620, 189868, 237335, 332269, 474670, 664538, 949340, 1329076, 1661345, 3322690, 6645380]

約数ペア:

[(1, 6645380), (2, 3322690), (4, 1661345), (5, 1329076), (7, 949340), (10, 664538), (14, 474670), (20, 332269), (28, 237335), (35, 189868), (49, 135620), (70, 94934), (98, 67810), (140, 47467), (196, 33905), (245, 27124), (490, 13562), (980, 6781)]