277217480

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1\times {\mathrm{241}}^1$

素因数の和:594

約数の個数: 64

約数和(自身を含む): 633798000

約数和(自身を除く): 356580520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 193, 241, 298, 386, 482, 596, 745, 772, 964, 965, 1192, 1205, 1490, 1544, 1928, 1930, 2410, 2980, 3860, 4820, 5960, 7720, 9640, 28757, 35909, 46513, 57514, 71818, 93026, 115028, 143636, 143785, 179545, 186052, 230056, 232565, 287272, 287570, 359090, 372104, 465130, 575140, 718180, 930260, 1150280, 1436360, 1860520, 6930437, 13860874, 27721748, 34652185, 55443496, 69304370, 138608740, 277217480]

約数ペア:

[(1, 277217480), (2, 138608740), (4, 69304370), (5, 55443496), (8, 34652185), (10, 27721748), (20, 13860874), (40, 6930437), (149, 1860520), (193, 1436360), (241, 1150280), (298, 930260), (386, 718180), (482, 575140), (596, 465130), (745, 372104), (772, 359090), (964, 287570), (965, 287272), (1192, 232565), (1205, 230056), (1490, 186052), (1544, 179545), (1928, 143785), (1930, 143636), (2410, 115028), (2980, 93026), (3860, 71818), (4820, 57514), (5960, 46513), (7720, 35909), (9640, 28757)]