251855620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{3041}}^1$

素因数の和:3192

約数の個数: 48

約数和(自身を含む): 547340976

約数和(自身を除く): 295485356

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 101, 164, 202, 205, 404, 410, 505, 820, 1010, 2020, 3041, 4141, 6082, 8282, 12164, 15205, 16564, 20705, 30410, 41410, 60820, 82820, 124681, 249362, 307141, 498724, 614282, 623405, 1228564, 1246810, 1535705, 2493620, 3071410, 6142820, 12592781, 25185562, 50371124, 62963905, 125927810, 251855620]

約数ペア:

[(1, 251855620), (2, 125927810), (4, 62963905), (5, 50371124), (10, 25185562), (20, 12592781), (41, 6142820), (82, 3071410), (101, 2493620), (164, 1535705), (202, 1246810), (205, 1228564), (404, 623405), (410, 614282), (505, 498724), (820, 307141), (1010, 249362), (2020, 124681), (3041, 82820), (4141, 60820), (6082, 41410), (8282, 30410), (12164, 20705), (15205, 16564)]