2017664020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{28109}}^1$

素因数の和:28252

約数の個数: 48

約数和(自身を含む): 4396628880

約数和(自身を除く): 2378964860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 97, 148, 185, 194, 370, 388, 485, 740, 970, 1940, 3589, 7178, 14356, 17945, 28109, 35890, 56218, 71780, 112436, 140545, 281090, 562180, 1040033, 2080066, 2726573, 4160132, 5200165, 5453146, 10400330, 10906292, 13632865, 20800660, 27265730, 54531460, 100883201, 201766402, 403532804, 504416005, 1008832010, 2017664020]

約数ペア:

[(1, 2017664020), (2, 1008832010), (4, 504416005), (5, 403532804), (10, 201766402), (20, 100883201), (37, 54531460), (74, 27265730), (97, 20800660), (148, 13632865), (185, 10906292), (194, 10400330), (370, 5453146), (388, 5200165), (485, 4160132), (740, 2726573), (970, 2080066), (1940, 1040033), (3589, 562180), (7178, 281090), (14356, 140545), (17945, 112436), (28109, 71780), (35890, 56218)]