87250820

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 186617088

約数和(自身を除く): 99366268

約数列:

[1, 2, 4, 5, 10, 20, 151, 167, 173, 302, 334, 346, 604, 668, 692, 755, 835, 865, 1510, 1670, 1730, 3020, 3340, 3460, 25217, 26123, 28891, 50434, 52246, 57782, 100868, 104492, 115564, 126085, 130615, 144455, 252170, 261230, 288910, 504340, 522460, 577820, 4362541, 8725082, 17450164, 21812705, 43625410, 87250820]

約数ペア:

[(1, 87250820), (2, 43625410), (4, 21812705), (5, 17450164), (10, 8725082), (20, 4362541), (151, 577820), (167, 522460), (173, 504340), (302, 288910), (334, 261230), (346, 252170), (604, 144455), (668, 130615), (692, 126085), (755, 115564), (835, 104492), (865, 100868), (1510, 57782), (1670, 52246), (1730, 50434), (3020, 28891), (3340, 26123), (3460, 25217)]