208724740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{8329}}^1$

素因数の和:8524

約数の個数: 48

約数和(自身を含む): 503798400

約数和(自身を除く): 295073660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 3580, 5012, 6265, 8329, 12530, 16658, 25060, 33316, 41645, 58303, 83290, 116606, 166580, 233212, 291515, 583030, 1166060, 1490891, 2981782, 5963564, 7454455, 10436237, 14908910, 20872474, 29817820, 41744948, 52181185, 104362370, 208724740]

約数ペア:

[(1, 208724740), (2, 104362370), (4, 52181185), (5, 41744948), (7, 29817820), (10, 20872474), (14, 14908910), (20, 10436237), (28, 7454455), (35, 5963564), (70, 2981782), (140, 1490891), (179, 1166060), (358, 583030), (716, 291515), (895, 233212), (1253, 166580), (1790, 116606), (2506, 83290), (3580, 58303), (5012, 41645), (6265, 33316), (8329, 25060), (12530, 16658)]