2783649820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2840459}}^1$

素因数の和:2840482

約数の個数: 36

約数和(自身を含む): 6800061240

約数和(自身を除く): 4016411420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2840459, 5680918, 11361836, 14202295, 19883213, 28404590, 39766426, 56809180, 79532852, 99416065, 139182491, 198832130, 278364982, 397664260, 556729964, 695912455, 1391824910, 2783649820]

約数ペア:

[(1, 2783649820), (2, 1391824910), (4, 695912455), (5, 556729964), (7, 397664260), (10, 278364982), (14, 198832130), (20, 139182491), (28, 99416065), (35, 79532852), (49, 56809180), (70, 39766426), (98, 28404590), (140, 19883213), (196, 14202295), (245, 11361836), (490, 5680918), (980, 2840459)]