1804740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4297}}^1$

素因数の和:4316

約数の個数: 48

約数和(自身を含む): 5776512

約数和(自身を除く): 3971772

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, 4297, 8594, 12891, 17188, 21485, 25782, 30079, 42970, 51564, 60158, 64455, 85940, 90237, 120316, 128910, 150395, 180474, 257820, 300790, 360948, 451185, 601580, 902370, 1804740]

約数ペア:

[(1, 1804740), (2, 902370), (3, 601580), (4, 451185), (5, 360948), (6, 300790), (7, 257820), (10, 180474), (12, 150395), (14, 128910), (15, 120316), (20, 90237), (21, 85940), (28, 64455), (30, 60158), (35, 51564), (42, 42970), (60, 30079), (70, 25782), (84, 21485), (105, 17188), (140, 12891), (210, 8594), (420, 4297)]