27751220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{198223}}^1$

素因数の和:198239

約数の個数: 24

約数和(自身を含む): 66603264

約数和(自身を除く): 38852044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 198223, 396446, 792892, 991115, 1387561, 1982230, 2775122, 3964460, 5550244, 6937805, 13875610, 27751220]

約数ペア:

[(1, 27751220), (2, 13875610), (4, 6937805), (5, 5550244), (7, 3964460), (10, 2775122), (14, 1982230), (20, 1387561), (28, 991115), (35, 792892), (70, 396446), (140, 198223)]