79994740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15443}}^1$

素因数の和:15496

約数の個数: 48

約数和(自身を含む): 197188992

約数和(自身を除く): 117194252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 15443, 30886, 61772, 77215, 108101, 154430, 216202, 308860, 432404, 540505, 571391, 1081010, 1142782, 2162020, 2285564, 2856955, 3999737, 5713910, 7999474, 11427820, 15998948, 19998685, 39997370, 79994740]

約数ペア:

[(1, 79994740), (2, 39997370), (4, 19998685), (5, 15998948), (7, 11427820), (10, 7999474), (14, 5713910), (20, 3999737), (28, 2856955), (35, 2285564), (37, 2162020), (70, 1142782), (74, 1081010), (140, 571391), (148, 540505), (185, 432404), (259, 308860), (370, 216202), (518, 154430), (740, 108101), (1036, 77215), (1295, 61772), (2590, 30886), (5180, 15443)]