1831628540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{278363}}^1$

素因数の和:278426

約数の個数: 48

約数和(自身を含む): 4489454592

約数和(自身を除く): 2657826052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 278363, 556726, 1113452, 1391815, 1948541, 2783630, 3897082, 5567260, 7794164, 9742705, 13083061, 19485410, 26166122, 38970820, 52332244, 65415305, 91581427, 130830610, 183162854, 261661220, 366325708, 457907135, 915814270, 1831628540]

約数ペア:

[(1, 1831628540), (2, 915814270), (4, 457907135), (5, 366325708), (7, 261661220), (10, 183162854), (14, 130830610), (20, 91581427), (28, 65415305), (35, 52332244), (47, 38970820), (70, 26166122), (94, 19485410), (140, 13083061), (188, 9742705), (235, 7794164), (329, 5567260), (470, 3897082), (658, 2783630), (940, 1948541), (1316, 1391815), (1645, 1113452), (3290, 556726), (6580, 278363)]