419860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2999}}^1$

素因数の和:3015

約数の個数: 24

約数和(自身を含む): 1008000

約数和(自身を除く): 588140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2999, 5998, 11996, 14995, 20993, 29990, 41986, 59980, 83972, 104965, 209930, 419860]

約数ペア:

[(1, 419860), (2, 209930), (4, 104965), (5, 83972), (7, 59980), (10, 41986), (14, 29990), (20, 20993), (28, 14995), (35, 11996), (70, 5998), (140, 2999)]