78312555890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{414857}}^1$

素因数の和:415346

約数の個数: 32

約数和(自身を含む): 144569715840

約数和(自身を除く): 66257159950

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 439, 878, 2195, 4390, 18877, 37754, 94385, 188770, 414857, 829714, 2074285, 4148570, 17838851, 35677702, 89194255, 178388510, 182122223, 364244446, 910611115, 1821222230, 7831255589, 15662511178, 39156277945, 78312555890]

約数ペア:

[(1, 78312555890), (2, 39156277945), (5, 15662511178), (10, 7831255589), (43, 1821222230), (86, 910611115), (215, 364244446), (430, 182122223), (439, 178388510), (878, 89194255), (2195, 35677702), (4390, 17838851), (18877, 4148570), (37754, 2074285), (94385, 829714), (188770, 414857)]