2078348420

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{709}}^1\times {\mathrm{1423}}^1$

素因数の和:2244

約数の個数: 48

約数和(自身を含む): 4416222720

約数和(自身を除く): 2337874300

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 709, 1030, 1418, 1423, 2060, 2836, 2846, 3545, 5692, 7090, 7115, 14180, 14230, 28460, 73027, 146054, 146569, 292108, 293138, 365135, 586276, 730270, 732845, 1008907, 1460540, 1465690, 2017814, 2931380, 4035628, 5044535, 10089070, 20178140, 103917421, 207834842, 415669684, 519587105, 1039174210, 2078348420]

約数ペア:

[(1, 2078348420), (2, 1039174210), (4, 519587105), (5, 415669684), (10, 207834842), (20, 103917421), (103, 20178140), (206, 10089070), (412, 5044535), (515, 4035628), (709, 2931380), (1030, 2017814), (1418, 1465690), (1423, 1460540), (2060, 1008907), (2836, 732845), (2846, 730270), (3545, 586276), (5692, 365135), (7090, 293138), (7115, 292108), (14180, 146569), (14230, 146054), (28460, 73027)]