140705780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{827}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 303803136

約数和(自身を除く): 163097356

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 181, 188, 235, 362, 470, 724, 827, 905, 940, 1654, 1810, 3308, 3620, 4135, 8270, 8507, 16540, 17014, 34028, 38869, 42535, 77738, 85070, 149687, 155476, 170140, 194345, 299374, 388690, 598748, 748435, 777380, 1496870, 2993740, 7035289, 14070578, 28141156, 35176445, 70352890, 140705780]

約数ペア:

[(1, 140705780), (2, 70352890), (4, 35176445), (5, 28141156), (10, 14070578), (20, 7035289), (47, 2993740), (94, 1496870), (181, 777380), (188, 748435), (235, 598748), (362, 388690), (470, 299374), (724, 194345), (827, 170140), (905, 155476), (940, 149687), (1654, 85070), (1810, 77738), (3308, 42535), (3620, 38869), (4135, 34028), (8270, 17014), (8507, 16540)]