311211270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{24877}}^1$

素因数の和:25029

約数の個数: 48

約数和(自身を含む): 815003280

約数和(自身を除く): 503792010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 278, 417, 695, 834, 1251, 1390, 2085, 2502, 4170, 6255, 12510, 24877, 49754, 74631, 124385, 149262, 223893, 248770, 373155, 447786, 746310, 1119465, 2238930, 3457903, 6915806, 10373709, 17289515, 20747418, 31121127, 34579030, 51868545, 62242254, 103737090, 155605635, 311211270]

約数ペア:

[(1, 311211270), (2, 155605635), (3, 103737090), (5, 62242254), (6, 51868545), (9, 34579030), (10, 31121127), (15, 20747418), (18, 17289515), (30, 10373709), (45, 6915806), (90, 3457903), (139, 2238930), (278, 1119465), (417, 746310), (695, 447786), (834, 373155), (1251, 248770), (1390, 223893), (2085, 149262), (2502, 124385), (4170, 74631), (6255, 49754), (12510, 24877)]