3472220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1249}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 7350000

約数和(自身を除く): 3877780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1249, 1390, 2498, 2780, 4996, 6245, 12490, 24980, 173611, 347222, 694444, 868055, 1736110, 3472220]

約数ペア:

[(1, 3472220), (2, 1736110), (4, 868055), (5, 694444), (10, 347222), (20, 173611), (139, 24980), (278, 12490), (556, 6245), (695, 4996), (1249, 2780), (1390, 2498)]