2019007940

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{443}}^1\times {\mathrm{1259}}^1$

素因数の和:1892

約数の個数: 48

約数和(自身を含む): 4276359360

約数和(自身を除く): 2257351420

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 443, 724, 886, 905, 1259, 1772, 1810, 2215, 2518, 3620, 4430, 5036, 6295, 8860, 12590, 25180, 80183, 160366, 227879, 320732, 400915, 455758, 557737, 801830, 911516, 1115474, 1139395, 1603660, 2230948, 2278790, 2788685, 4557580, 5577370, 11154740, 100950397, 201900794, 403801588, 504751985, 1009503970, 2019007940]

約数ペア:

[(1, 2019007940), (2, 1009503970), (4, 504751985), (5, 403801588), (10, 201900794), (20, 100950397), (181, 11154740), (362, 5577370), (443, 4557580), (724, 2788685), (886, 2278790), (905, 2230948), (1259, 1603660), (1772, 1139395), (1810, 1115474), (2215, 911516), (2518, 801830), (3620, 557737), (4430, 455758), (5036, 400915), (6295, 320732), (8860, 227879), (12590, 160366), (25180, 80183)]