31271260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 69120576

約数和(自身を除く): 37849316

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 157, 230, 314, 433, 460, 628, 785, 866, 1570, 1732, 2165, 3140, 3611, 4330, 7222, 8660, 9959, 14444, 18055, 19918, 36110, 39836, 49795, 67981, 72220, 99590, 135962, 199180, 271924, 339905, 679810, 1359620, 1563563, 3127126, 6254252, 7817815, 15635630, 31271260]

約数ペア:

[(1, 31271260), (2, 15635630), (4, 7817815), (5, 6254252), (10, 3127126), (20, 1563563), (23, 1359620), (46, 679810), (92, 339905), (115, 271924), (157, 199180), (230, 135962), (314, 99590), (433, 72220), (460, 67981), (628, 49795), (785, 39836), (866, 36110), (1570, 19918), (1732, 18055), (2165, 14444), (3140, 9959), (3611, 8660), (4330, 7222)]