197741180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{108649}}^1$

素因数の和:108678

約数の個数: 48

約数和(自身を含む): 511089600

約数和(自身を除く): 313348420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 108649, 217298, 434596, 543245, 760543, 1086490, 1412437, 1521086, 2172980, 2824874, 3042172, 3802715, 5649748, 7062185, 7605430, 9887059, 14124370, 15210860, 19774118, 28248740, 39548236, 49435295, 98870590, 197741180]

約数ペア:

[(1, 197741180), (2, 98870590), (4, 49435295), (5, 39548236), (7, 28248740), (10, 19774118), (13, 15210860), (14, 14124370), (20, 9887059), (26, 7605430), (28, 7062185), (35, 5649748), (52, 3802715), (65, 3042172), (70, 2824874), (91, 2172980), (130, 1521086), (140, 1412437), (182, 1086490), (260, 760543), (364, 543245), (455, 434596), (910, 217298), (1820, 108649)]