2436690640

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1\times {\mathrm{1231}}^1$

素因数の和:1580

約数の個数: 80

約数和(自身を含む): 5747132160

約数和(自身を除く): 3310441520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 227, 436, 454, 545, 872, 908, 1090, 1135, 1231, 1744, 1816, 2180, 2270, 2462, 3632, 4360, 4540, 4924, 6155, 8720, 9080, 9848, 12310, 18160, 19696, 24620, 24743, 49240, 49486, 98480, 98972, 123715, 134179, 197944, 247430, 268358, 279437, 395888, 494860, 536716, 558874, 670895, 989720, 1073432, 1117748, 1341790, 1397185, 1979440, 2146864, 2235496, 2683580, 2794370, 4470992, 5367160, 5588740, 10734320, 11177480, 22354960, 30458633, 60917266, 121834532, 152293165, 243669064, 304586330, 487338128, 609172660, 1218345320, 2436690640]

約数ペア:

[(1, 2436690640), (2, 1218345320), (4, 609172660), (5, 487338128), (8, 304586330), (10, 243669064), (16, 152293165), (20, 121834532), (40, 60917266), (80, 30458633), (109, 22354960), (218, 11177480), (227, 10734320), (436, 5588740), (454, 5367160), (545, 4470992), (872, 2794370), (908, 2683580), (1090, 2235496), (1135, 2146864), (1231, 1979440), (1744, 1397185), (1816, 1341790), (2180, 1117748), (2270, 1073432), (2462, 989720), (3632, 670895), (4360, 558874), (4540, 536716), (4924, 494860), (6155, 395888), (8720, 279437), (9080, 268358), (9848, 247430), (12310, 197944), (18160, 134179), (19696, 123715), (24620, 98972), (24743, 98480), (49240, 49486)]