419368740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{998497}}^1$

素因数の和:998516

約数の個数: 48

約数和(自身を含む): 1341981312

約数和(自身を除く): 922612572

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, 998497, 1996994, 2995491, 3993988, 4992485, 5990982, 6989479, 9984970, 11981964, 13978958, 14977455, 19969940, 20968437, 27957916, 29954910, 34947395, 41936874, 59909820, 69894790, 83873748, 104842185, 139789580, 209684370, 419368740]

約数ペア:

[(1, 419368740), (2, 209684370), (3, 139789580), (4, 104842185), (5, 83873748), (6, 69894790), (7, 59909820), (10, 41936874), (12, 34947395), (14, 29954910), (15, 27957916), (20, 20968437), (21, 19969940), (28, 14977455), (30, 13978958), (35, 11981964), (42, 9984970), (60, 6989479), (70, 5990982), (84, 4992485), (105, 3993988), (140, 2995491), (210, 1996994), (420, 998497)]