266505820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{51449}}^1$

素因数の和:51502

約数の個数: 48

約数和(自身を含む): 656913600

約数和(自身を除く): 390407780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 51449, 102898, 205796, 257245, 360143, 514490, 720286, 1028980, 1440572, 1800715, 1903613, 3601430, 3807226, 7202860, 7614452, 9518065, 13325291, 19036130, 26650582, 38072260, 53301164, 66626455, 133252910, 266505820]

約数ペア:

[(1, 266505820), (2, 133252910), (4, 66626455), (5, 53301164), (7, 38072260), (10, 26650582), (14, 19036130), (20, 13325291), (28, 9518065), (35, 7614452), (37, 7202860), (70, 3807226), (74, 3601430), (140, 1903613), (148, 1800715), (185, 1440572), (259, 1028980), (370, 720286), (518, 514490), (740, 360143), (1036, 257245), (1295, 205796), (2590, 102898), (5180, 51449)]