201388740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{479497}}^1$

素因数の和:479516

約数の個数: 48

約数和(自身を含む): 644445312

約数和(自身を除く): 443056572

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, 479497, 958994, 1438491, 1917988, 2397485, 2876982, 3356479, 4794970, 5753964, 6712958, 7192455, 9589940, 10069437, 13425916, 14384910, 16782395, 20138874, 28769820, 33564790, 40277748, 50347185, 67129580, 100694370, 201388740]

約数ペア:

[(1, 201388740), (2, 100694370), (3, 67129580), (4, 50347185), (5, 40277748), (6, 33564790), (7, 28769820), (10, 20138874), (12, 16782395), (14, 14384910), (15, 13425916), (20, 10069437), (21, 9589940), (28, 7192455), (30, 6712958), (35, 5753964), (42, 4794970), (60, 3356479), (70, 2876982), (84, 2397485), (105, 1917988), (140, 1438491), (210, 958994), (420, 479497)]