127915100

素因数分解:

$2^2\times 5^2\times {\mathrm{997}}^1\times {\mathrm{1283}}^1$

素因数の和:2294

約数の個数: 36

約数和(自身を含む): 278070744

約数和(自身を除く): 150155644

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 997, 1283, 1994, 2566, 3988, 4985, 5132, 6415, 9970, 12830, 19940, 24925, 25660, 32075, 49850, 64150, 99700, 128300, 1279151, 2558302, 5116604, 6395755, 12791510, 25583020, 31978775, 63957550, 127915100]

約数ペア:

[(1, 127915100), (2, 63957550), (4, 31978775), (5, 25583020), (10, 12791510), (20, 6395755), (25, 5116604), (50, 2558302), (100, 1279151), (997, 128300), (1283, 99700), (1994, 64150), (2566, 49850), (3988, 32075), (4985, 25660), (5132, 24925), (6415, 19940), (9970, 12830)]