676821020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1\times {\mathrm{2591}}^1$

素因数の和:2990

約数の個数: 48

約数和(自身を含む): 1464438528

約数和(自身を除く): 787617508

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 353, 370, 706, 740, 1412, 1765, 2591, 3530, 5182, 7060, 10364, 12955, 13061, 25910, 26122, 51820, 52244, 65305, 95867, 130610, 191734, 261220, 383468, 479335, 914623, 958670, 1829246, 1917340, 3658492, 4573115, 9146230, 18292460, 33841051, 67682102, 135364204, 169205255, 338410510, 676821020]

約数ペア:

[(1, 676821020), (2, 338410510), (4, 169205255), (5, 135364204), (10, 67682102), (20, 33841051), (37, 18292460), (74, 9146230), (148, 4573115), (185, 3658492), (353, 1917340), (370, 1829246), (706, 958670), (740, 914623), (1412, 479335), (1765, 383468), (2591, 261220), (3530, 191734), (5182, 130610), (7060, 95867), (10364, 65305), (12955, 52244), (13061, 51820), (25910, 26122)]