9939860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{70999}}^1$

素因数の和:71015

約数の個数: 24

約数和(自身を含む): 23856000

約数和(自身を除く): 13916140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 70999, 141998, 283996, 354995, 496993, 709990, 993986, 1419980, 1987972, 2484965, 4969930, 9939860]

約数ペア:

[(1, 9939860), (2, 4969930), (4, 2484965), (5, 1987972), (7, 1419980), (10, 993986), (14, 709990), (20, 496993), (28, 354995), (35, 283996), (70, 141998), (140, 70999)]