724881860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1\times {\mathrm{1439}}^1$

素因数の和:1820

約数の個数: 48

約数和(自身を含む): 1545868800

約数和(自身を除く): 820986940

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 283, 356, 445, 566, 890, 1132, 1415, 1439, 1780, 2830, 2878, 5660, 5756, 7195, 14390, 25187, 28780, 50374, 100748, 125935, 128071, 251870, 256142, 407237, 503740, 512284, 640355, 814474, 1280710, 1628948, 2036185, 2561420, 4072370, 8144740, 36244093, 72488186, 144976372, 181220465, 362440930, 724881860]

約数ペア:

[(1, 724881860), (2, 362440930), (4, 181220465), (5, 144976372), (10, 72488186), (20, 36244093), (89, 8144740), (178, 4072370), (283, 2561420), (356, 2036185), (445, 1628948), (566, 1280710), (890, 814474), (1132, 640355), (1415, 512284), (1439, 503740), (1780, 407237), (2830, 256142), (2878, 251870), (5660, 128071), (5756, 125935), (7195, 100748), (14390, 50374), (25187, 28780)]