455290640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{4127}}^1$

素因数の和:4344

約数の個数: 80

約数和(自身を含む): 1216207872

約数和(自身を除く): 760917232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 197, 280, 394, 560, 788, 985, 1379, 1576, 1970, 2758, 3152, 3940, 4127, 5516, 6895, 7880, 8254, 11032, 13790, 15760, 16508, 20635, 22064, 27580, 28889, 33016, 41270, 55160, 57778, 66032, 82540, 110320, 115556, 144445, 165080, 231112, 288890, 330160, 462224, 577780, 813019, 1155560, 1626038, 2311120, 3252076, 4065095, 5691133, 6504152, 8130190, 11382266, 13008304, 16260380, 22764532, 28455665, 32520760, 45529064, 56911330, 65041520, 91058128, 113822660, 227645320, 455290640]

約数ペア:

[(1, 455290640), (2, 227645320), (4, 113822660), (5, 91058128), (7, 65041520), (8, 56911330), (10, 45529064), (14, 32520760), (16, 28455665), (20, 22764532), (28, 16260380), (35, 13008304), (40, 11382266), (56, 8130190), (70, 6504152), (80, 5691133), (112, 4065095), (140, 3252076), (197, 2311120), (280, 1626038), (394, 1155560), (560, 813019), (788, 577780), (985, 462224), (1379, 330160), (1576, 288890), (1970, 231112), (2758, 165080), (3152, 144445), (3940, 115556), (4127, 110320), (5516, 82540), (6895, 66032), (7880, 57778), (8254, 55160), (11032, 41270), (13790, 33016), (15760, 28889), (16508, 27580), (20635, 22064)]