23371780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 50561280

約数和(自身を除く): 27189500

約数列:

[1, 2, 4, 5, 10, 20, 71, 109, 142, 151, 218, 284, 302, 355, 436, 545, 604, 710, 755, 1090, 1420, 1510, 2180, 3020, 7739, 10721, 15478, 16459, 21442, 30956, 32918, 38695, 42884, 53605, 65836, 77390, 82295, 107210, 154780, 164590, 214420, 329180, 1168589, 2337178, 4674356, 5842945, 11685890, 23371780]

約数ペア:

[(1, 23371780), (2, 11685890), (4, 5842945), (5, 4674356), (10, 2337178), (20, 1168589), (71, 329180), (109, 214420), (142, 164590), (151, 154780), (218, 107210), (284, 82295), (302, 77390), (355, 65836), (436, 53605), (545, 42884), (604, 38695), (710, 32918), (755, 30956), (1090, 21442), (1420, 16459), (1510, 15478), (2180, 10721), (3020, 7739)]