2939020

素因数分解:

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

素因数の和:3022

約数の個数: 36

約数和(自身を含む): 7182000

約数和(自身を除く): 4242980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2999, 5998, 11996, 14995, 20993, 29990, 41986, 59980, 83972, 104965, 146951, 209930, 293902, 419860, 587804, 734755, 1469510, 2939020]

約数ペア:

[(1, 2939020), (2, 1469510), (4, 734755), (5, 587804), (7, 419860), (10, 293902), (14, 209930), (20, 146951), (28, 104965), (35, 83972), (49, 59980), (70, 41986), (98, 29990), (140, 20993), (196, 14995), (245, 11996), (490, 5998), (980, 2999)]