1398605440

素因数分解:

$2^7\times 5^1\times {\mathrm{197}}^1\times {\mathrm{11093}}^1$

素因数の和:11309

約数の個数: 64

約数和(自身を含む): 3360816360

約数和(自身を除く): 1962210920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 320, 394, 640, 788, 985, 1576, 1970, 3152, 3940, 6304, 7880, 11093, 12608, 15760, 22186, 25216, 31520, 44372, 55465, 63040, 88744, 110930, 126080, 177488, 221860, 354976, 443720, 709952, 887440, 1419904, 1774880, 2185321, 3549760, 4370642, 7099520, 8741284, 10926605, 17482568, 21853210, 34965136, 43706420, 69930272, 87412840, 139860544, 174825680, 279721088, 349651360, 699302720, 1398605440]

約数ペア:

[(1, 1398605440), (2, 699302720), (4, 349651360), (5, 279721088), (8, 174825680), (10, 139860544), (16, 87412840), (20, 69930272), (32, 43706420), (40, 34965136), (64, 21853210), (80, 17482568), (128, 10926605), (160, 8741284), (197, 7099520), (320, 4370642), (394, 3549760), (640, 2185321), (788, 1774880), (985, 1419904), (1576, 887440), (1970, 709952), (3152, 443720), (3940, 354976), (6304, 221860), (7880, 177488), (11093, 126080), (12608, 110930), (15760, 88744), (22186, 63040), (25216, 55465), (31520, 44372)]