271868660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{39631}}^1$

素因数の和:39661

約数の個数: 48

約数和(自身を含む): 665817600

約数和(自身を除く): 393948940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 39631, 79262, 158524, 198155, 277417, 396310, 554834, 792620, 1109668, 1387085, 1941919, 2774170, 3883838, 5548340, 7767676, 9709595, 13593433, 19419190, 27186866, 38838380, 54373732, 67967165, 135934330, 271868660]

約数ペア:

[(1, 271868660), (2, 135934330), (4, 67967165), (5, 54373732), (7, 38838380), (10, 27186866), (14, 19419190), (20, 13593433), (28, 9709595), (35, 7767676), (49, 5548340), (70, 3883838), (98, 2774170), (140, 1941919), (196, 1387085), (245, 1109668), (343, 792620), (490, 554834), (686, 396310), (980, 277417), (1372, 198155), (1715, 158524), (3430, 79262), (6860, 39631)]