491498980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{85627}}^1$

素因数の和:85684

約数の個数: 48

約数和(自身を含む): 1208382336

約数和(自身を除く): 716883356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 85627, 171254, 342508, 428135, 599389, 856270, 1198778, 1712540, 2397556, 2996945, 3510707, 5993890, 7021414, 11987780, 14042828, 17553535, 24574949, 35107070, 49149898, 70214140, 98299796, 122874745, 245749490, 491498980]

約数ペア:

[(1, 491498980), (2, 245749490), (4, 122874745), (5, 98299796), (7, 70214140), (10, 49149898), (14, 35107070), (20, 24574949), (28, 17553535), (35, 14042828), (41, 11987780), (70, 7021414), (82, 5993890), (140, 3510707), (164, 2996945), (205, 2397556), (287, 1712540), (410, 1198778), (574, 856270), (820, 599389), (1148, 428135), (1435, 342508), (2870, 171254), (5740, 85627)]