123743180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{5569}}^1$

素因数の和:5690

約数の個数: 48

約数和(自身を含む): 286342560

約数和(自身を除く): 162599380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 5569, 11110, 11138, 22220, 22276, 27845, 55690, 61259, 111380, 122518, 245036, 306295, 562469, 612590, 1124938, 1225180, 2249876, 2812345, 5624690, 6187159, 11249380, 12374318, 24748636, 30935795, 61871590, 123743180]

約数ペア:

[(1, 123743180), (2, 61871590), (4, 30935795), (5, 24748636), (10, 12374318), (11, 11249380), (20, 6187159), (22, 5624690), (44, 2812345), (55, 2249876), (101, 1225180), (110, 1124938), (202, 612590), (220, 562469), (404, 306295), (505, 245036), (1010, 122518), (1111, 111380), (2020, 61259), (2222, 55690), (4444, 27845), (5555, 22276), (5569, 22220), (11110, 11138)]