201637780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{4519}}^1$

素因数の和:4648

約数の個数: 48

約数和(自身を含む): 446503680

約数和(自身を除く): 244865900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 194, 230, 388, 460, 485, 970, 1940, 2231, 4462, 4519, 8924, 9038, 11155, 18076, 22310, 22595, 44620, 45190, 90380, 103937, 207874, 415748, 438343, 519685, 876686, 1039370, 1753372, 2078740, 2191715, 4383430, 8766860, 10081889, 20163778, 40327556, 50409445, 100818890, 201637780]

約数ペア:

[(1, 201637780), (2, 100818890), (4, 50409445), (5, 40327556), (10, 20163778), (20, 10081889), (23, 8766860), (46, 4383430), (92, 2191715), (97, 2078740), (115, 1753372), (194, 1039370), (230, 876686), (388, 519685), (460, 438343), (485, 415748), (970, 207874), (1940, 103937), (2231, 90380), (4462, 45190), (4519, 44620), (8924, 22595), (9038, 22310), (11155, 18076)]