3988740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{9497}}^1$

素因数の和:9516

約数の個数: 48

約数和(自身を含む): 12765312

約数和(自身を除く): 8776572

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, 9497, 18994, 28491, 37988, 47485, 56982, 66479, 94970, 113964, 132958, 142455, 189940, 199437, 265916, 284910, 332395, 398874, 569820, 664790, 797748, 997185, 1329580, 1994370, 3988740]

約数ペア:

[(1, 3988740), (2, 1994370), (3, 1329580), (4, 997185), (5, 797748), (6, 664790), (7, 569820), (10, 398874), (12, 332395), (14, 284910), (15, 265916), (20, 199437), (21, 189940), (28, 142455), (30, 132958), (35, 113964), (42, 94970), (60, 66479), (70, 56982), (84, 47485), (105, 37988), (140, 28491), (210, 18994), (420, 9497)]