340349740

素因数分解:

$2^2\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{8513}}^1$

素因数の和:10521

約数の個数: 24

約数和(自身を含む): 715176000

約数和(自身を除く): 374826260

約数列:

[1, 2, 4, 5, 10, 20, 1999, 3998, 7996, 8513, 9995, 17026, 19990, 34052, 39980, 42565, 85130, 170260, 17017487, 34034974, 68069948, 85087435, 170174870, 340349740]

約数ペア:

[(1, 340349740), (2, 170174870), (4, 85087435), (5, 68069948), (10, 34034974), (20, 17017487), (1999, 170260), (3998, 85130), (7996, 42565), (8513, 39980), (9995, 34052), (17026, 19990)]