1256033940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2990557}}^1$

素因数の和:2990576

約数の個数: 48

約数和(自身を含む): 4019309952

約数和(自身を除く): 2763276012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 2990557, 5981114, 8971671, 11962228, 14952785, 17943342, 20933899, 29905570, 35886684, 41867798, 44858355, 59811140, 62801697, 83735596, 89716710, 104669495, 125603394, 179433420, 209338990, 251206788, 314008485, 418677980, 628016970, 1256033940]

約数ペア:

[(1, 1256033940), (2, 628016970), (3, 418677980), (4, 314008485), (5, 251206788), (6, 209338990), (7, 179433420), (10, 125603394), (12, 104669495), (14, 89716710), (15, 83735596), (20, 62801697), (21, 59811140), (28, 44858355), (30, 41867798), (35, 35886684), (42, 29905570), (60, 20933899), (70, 17943342), (84, 14952785), (105, 11962228), (140, 8971671), (210, 5981114), (420, 2990557)]