81049068940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{578921921}}^1$

素因数の和:578921937

約数の個数: 24

約数和(自身を含む): 194517765792

約数和(自身を除く): 113468696852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 578921921, 1157843842, 2315687684, 2894609605, 4052453447, 5789219210, 8104906894, 11578438420, 16209813788, 20262267235, 40524534470, 81049068940]

約数ペア:

[(1, 81049068940), (2, 40524534470), (4, 20262267235), (5, 16209813788), (7, 11578438420), (10, 8104906894), (14, 5789219210), (20, 4052453447), (28, 2894609605), (35, 2315687684), (70, 1157843842), (140, 578921921)]