207688640

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6691}}^1$

素因数の和:6805

約数の個数: 56

約数和(自身を含む): 499731792

約数和(自身を除く): 292043152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 320, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 6208, 6691, 7760, 13382, 15520, 26764, 31040, 33455, 53528, 66910, 107056, 133820, 214112, 267640, 428224, 535280, 649027, 1070560, 1298054, 2141120, 2596108, 3245135, 5192216, 6490270, 10384432, 12980540, 20768864, 25961080, 41537728, 51922160, 103844320, 207688640]

約数ペア:

[(1, 207688640), (2, 103844320), (4, 51922160), (5, 41537728), (8, 25961080), (10, 20768864), (16, 12980540), (20, 10384432), (32, 6490270), (40, 5192216), (64, 3245135), (80, 2596108), (97, 2141120), (160, 1298054), (194, 1070560), (320, 649027), (388, 535280), (485, 428224), (776, 267640), (970, 214112), (1552, 133820), (1940, 107056), (3104, 66910), (3880, 53528), (6208, 33455), (6691, 31040), (7760, 26764), (13382, 15520)]