402410200

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{25469}}^1$

素因数の和:25564

約数の個数: 48

約数和(自身を含む): 947484000

約数和(自身を除く): 545073800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1580, 1975, 3160, 3950, 7900, 15800, 25469, 50938, 101876, 127345, 203752, 254690, 509380, 636725, 1018760, 1273450, 2012051, 2546900, 4024102, 5093800, 8048204, 10060255, 16096408, 20120510, 40241020, 50301275, 80482040, 100602550, 201205100, 402410200]

約数ペア:

[(1, 402410200), (2, 201205100), (4, 100602550), (5, 80482040), (8, 50301275), (10, 40241020), (20, 20120510), (25, 16096408), (40, 10060255), (50, 8048204), (79, 5093800), (100, 4024102), (158, 2546900), (200, 2012051), (316, 1273450), (395, 1018760), (632, 636725), (790, 509380), (1580, 254690), (1975, 203752), (3160, 127345), (3950, 101876), (7900, 50938), (15800, 25469)]