404668740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{963497}}^1$

素因数の和:963516

約数の個数: 48

約数和(自身を含む): 1294941312

約数和(自身を除く): 890272572

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, 963497, 1926994, 2890491, 3853988, 4817485, 5780982, 6744479, 9634970, 11561964, 13488958, 14452455, 19269940, 20233437, 26977916, 28904910, 33722395, 40466874, 57809820, 67444790, 80933748, 101167185, 134889580, 202334370, 404668740]

約数ペア:

[(1, 404668740), (2, 202334370), (3, 134889580), (4, 101167185), (5, 80933748), (6, 67444790), (7, 57809820), (10, 40466874), (12, 33722395), (14, 28904910), (15, 26977916), (20, 20233437), (21, 19269940), (28, 14452455), (30, 13488958), (35, 11561964), (42, 9634970), (60, 6744479), (70, 5780982), (84, 4817485), (105, 3853988), (140, 2890491), (210, 1926994), (420, 963497)]