347741860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{2909}}^1$

素因数の和:3100

約数の個数: 48

約数和(自身を含む): 752875200

約数和(自身を除く): 405133340

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 139, 172, 215, 278, 430, 556, 695, 860, 1390, 2780, 2909, 5818, 5977, 11636, 11954, 14545, 23908, 29090, 29885, 58180, 59770, 119540, 125087, 250174, 404351, 500348, 625435, 808702, 1250870, 1617404, 2021755, 2501740, 4043510, 8087020, 17387093, 34774186, 69548372, 86935465, 173870930, 347741860]

約数ペア:

[(1, 347741860), (2, 173870930), (4, 86935465), (5, 69548372), (10, 34774186), (20, 17387093), (43, 8087020), (86, 4043510), (139, 2501740), (172, 2021755), (215, 1617404), (278, 1250870), (430, 808702), (556, 625435), (695, 500348), (860, 404351), (1390, 250174), (2780, 125087), (2909, 119540), (5818, 59770), (5977, 58180), (11636, 29885), (11954, 29090), (14545, 23908)]