264260440

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:700

約数の個数: 64

約数和(自身を含む): 605880000

約数和(自身を除く): 341619560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 149, 202, 298, 404, 439, 505, 596, 745, 808, 878, 1010, 1192, 1490, 1756, 2020, 2195, 2980, 3512, 4040, 4390, 5960, 8780, 15049, 17560, 30098, 44339, 60196, 65411, 75245, 88678, 120392, 130822, 150490, 177356, 221695, 261644, 300980, 327055, 354712, 443390, 523288, 601960, 654110, 886780, 1308220, 1773560, 2616440, 6606511, 13213022, 26426044, 33032555, 52852088, 66065110, 132130220, 264260440]

約数ペア:

[(1, 264260440), (2, 132130220), (4, 66065110), (5, 52852088), (8, 33032555), (10, 26426044), (20, 13213022), (40, 6606511), (101, 2616440), (149, 1773560), (202, 1308220), (298, 886780), (404, 654110), (439, 601960), (505, 523288), (596, 443390), (745, 354712), (808, 327055), (878, 300980), (1010, 261644), (1192, 221695), (1490, 177356), (1756, 150490), (2020, 130822), (2195, 120392), (2980, 88678), (3512, 75245), (4040, 65411), (4390, 60196), (5960, 44339), (8780, 30098), (15049, 17560)]