208075910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1487}}^1\times {\mathrm{1999}}^1$

素因数の和:3500

約数の個数: 32

約数和(自身を含む): 428544000

約数和(自身を除く): 220468090

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1487, 1999, 2974, 3998, 7435, 9995, 10409, 13993, 14870, 19990, 20818, 27986, 52045, 69965, 104090, 139930, 2972513, 5945026, 14862565, 20807591, 29725130, 41615182, 104037955, 208075910]

約数ペア:

[(1, 208075910), (2, 104037955), (5, 41615182), (7, 29725130), (10, 20807591), (14, 14862565), (35, 5945026), (70, 2972513), (1487, 139930), (1999, 104090), (2974, 69965), (3998, 52045), (7435, 27986), (9995, 20818), (10409, 19990), (13993, 14870)]