247240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{883}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 636480

約数和(自身を除く): 389240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 883, 1766, 3532, 4415, 6181, 7064, 8830, 12362, 17660, 24724, 30905, 35320, 49448, 61810, 123620, 247240]

約数ペア:

[(1, 247240), (2, 123620), (4, 61810), (5, 49448), (7, 35320), (8, 30905), (10, 24724), (14, 17660), (20, 12362), (28, 8830), (35, 7064), (40, 6181), (56, 4415), (70, 3532), (140, 1766), (280, 883)]