1900892420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{124567}}^1$

素因数の和:124692

約数の個数: 48

約数和(自身を含む): 4604033280

約数和(自身を除く): 2703140860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 124567, 249134, 498268, 622835, 871969, 1245670, 1743938, 2491340, 3487876, 4359845, 8719690, 13577803, 17439380, 27155606, 54311212, 67889015, 95044621, 135778030, 190089242, 271556060, 380178484, 475223105, 950446210, 1900892420]

約数ペア:

[(1, 1900892420), (2, 950446210), (4, 475223105), (5, 380178484), (7, 271556060), (10, 190089242), (14, 135778030), (20, 95044621), (28, 67889015), (35, 54311212), (70, 27155606), (109, 17439380), (140, 13577803), (218, 8719690), (436, 4359845), (545, 3487876), (763, 2491340), (1090, 1743938), (1526, 1245670), (2180, 871969), (3052, 622835), (3815, 498268), (7630, 249134), (15260, 124567)]