420510208

素因数分解:

$2^9\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:397

約数の個数: 80

約数和(自身を含む): 879943680

約数和(自身を除く): 459433472

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 127, 128, 223, 232, 254, 256, 446, 464, 508, 512, 892, 928, 1016, 1784, 1856, 2032, 3568, 3683, 3712, 4064, 6467, 7136, 7366, 7424, 8128, 12934, 14272, 14732, 14848, 16256, 25868, 28321, 28544, 29464, 32512, 51736, 56642, 57088, 58928, 65024, 103472, 113284, 114176, 117856, 206944, 226568, 235712, 413888, 453136, 471424, 821309, 827776, 906272, 942848, 1642618, 1655552, 1812544, 1885696, 3285236, 3311104, 3625088, 6570472, 7250176, 13140944, 14500352, 26281888, 52563776, 105127552, 210255104, 420510208]

約数ペア:

[(1, 420510208), (2, 210255104), (4, 105127552), (8, 52563776), (16, 26281888), (29, 14500352), (32, 13140944), (58, 7250176), (64, 6570472), (116, 3625088), (127, 3311104), (128, 3285236), (223, 1885696), (232, 1812544), (254, 1655552), (256, 1642618), (446, 942848), (464, 906272), (508, 827776), (512, 821309), (892, 471424), (928, 453136), (1016, 413888), (1784, 235712), (1856, 226568), (2032, 206944), (3568, 117856), (3683, 114176), (3712, 113284), (4064, 103472), (6467, 65024), (7136, 58928), (7366, 57088), (7424, 56642), (8128, 51736), (12934, 32512), (14272, 29464), (14732, 28544), (14848, 28321), (16256, 25868)]