143261740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1777}}^1$

素因数の和:1954

約数の個数: 48

約数和(自身を含む): 313639200

約数和(自身を除く): 170377460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 695, 1390, 1777, 2780, 3554, 4031, 7108, 8062, 8885, 16124, 17770, 20155, 35540, 40310, 51533, 80620, 103066, 206132, 247003, 257665, 494006, 515330, 988012, 1030660, 1235015, 2470030, 4940060, 7163087, 14326174, 28652348, 35815435, 71630870, 143261740]

約数ペア:

[(1, 143261740), (2, 71630870), (4, 35815435), (5, 28652348), (10, 14326174), (20, 7163087), (29, 4940060), (58, 2470030), (116, 1235015), (139, 1030660), (145, 988012), (278, 515330), (290, 494006), (556, 257665), (580, 247003), (695, 206132), (1390, 103066), (1777, 80620), (2780, 51533), (3554, 40310), (4031, 35540), (7108, 20155), (8062, 17770), (8885, 16124)]