194451640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{433}}^1$

素因数の和:656

約数の個数: 64

約数和(自身を含む): 446846400

約数和(自身を除く): 252394760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 109, 206, 218, 412, 433, 436, 515, 545, 824, 866, 872, 1030, 1090, 1732, 2060, 2165, 2180, 3464, 4120, 4330, 4360, 8660, 11227, 17320, 22454, 44599, 44908, 47197, 56135, 89198, 89816, 94394, 112270, 178396, 188788, 222995, 224540, 235985, 356792, 377576, 445990, 449080, 471970, 891980, 943940, 1783960, 1887880, 4861291, 9722582, 19445164, 24306455, 38890328, 48612910, 97225820, 194451640]

約数ペア:

[(1, 194451640), (2, 97225820), (4, 48612910), (5, 38890328), (8, 24306455), (10, 19445164), (20, 9722582), (40, 4861291), (103, 1887880), (109, 1783960), (206, 943940), (218, 891980), (412, 471970), (433, 449080), (436, 445990), (515, 377576), (545, 356792), (824, 235985), (866, 224540), (872, 222995), (1030, 188788), (1090, 178396), (1732, 112270), (2060, 94394), (2165, 89816), (2180, 89198), (3464, 56135), (4120, 47197), (4330, 44908), (4360, 44599), (8660, 22454), (11227, 17320)]