272114220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{647891}}^1$

素因数の和:647910

約数の個数: 48

約数和(自身を含む): 870766848

約数和(自身を除く): 598652628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 647891, 1295782, 1943673, 2591564, 3239455, 3887346, 4535237, 6478910, 7774692, 9070474, 9718365, 12957820, 13605711, 18140948, 19436730, 22676185, 27211422, 38873460, 45352370, 54422844, 68028555, 90704740, 136057110, 272114220]

約数ペア:

[(1, 272114220), (2, 136057110), (3, 90704740), (4, 68028555), (5, 54422844), (6, 45352370), (7, 38873460), (10, 27211422), (12, 22676185), (14, 19436730), (15, 18140948), (20, 13605711), (21, 12957820), (28, 9718365), (30, 9070474), (35, 7774692), (42, 6478910), (60, 4535237), (70, 3887346), (84, 3239455), (105, 2591564), (140, 1943673), (210, 1295782), (420, 647891)]