2840275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 3843504

約数和(自身を除く): 1003229

約数列:

[1, 5, 17, 25, 41, 85, 163, 205, 425, 697, 815, 1025, 2771, 3485, 4075, 6683, 13855, 17425, 33415, 69275, 113611, 167075, 568055, 2840275]

約数ペア:

[(1, 2840275), (5, 568055), (17, 167075), (25, 113611), (41, 69275), (85, 33415), (163, 17425), (205, 13855), (425, 6683), (697, 4075), (815, 3485), (1025, 2771)]