1979670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{857}}^1$

素因数の和:885

約数の個数: 64

約数和(自身を含む): 5930496

約数和(自身を除く): 3950826

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 210, 231, 330, 385, 462, 770, 857, 1155, 1714, 2310, 2571, 4285, 5142, 5999, 8570, 9427, 11998, 12855, 17997, 18854, 25710, 28281, 29995, 35994, 47135, 56562, 59990, 65989, 89985, 94270, 131978, 141405, 179970, 197967, 282810, 329945, 395934, 659890, 989835, 1979670]

約数ペア:

[(1, 1979670), (2, 989835), (3, 659890), (5, 395934), (6, 329945), (7, 282810), (10, 197967), (11, 179970), (14, 141405), (15, 131978), (21, 94270), (22, 89985), (30, 65989), (33, 59990), (35, 56562), (42, 47135), (55, 35994), (66, 29995), (70, 28281), (77, 25710), (105, 18854), (110, 17997), (154, 12855), (165, 11998), (210, 9427), (231, 8570), (330, 5999), (385, 5142), (462, 4285), (770, 2571), (857, 2310), (1155, 1714)]