28894460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1193}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 69806016

約数和(自身を除く): 40911556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1193, 1211, 1730, 2386, 2422, 3460, 4772, 4844, 5965, 6055, 8351, 11930, 12110, 16702, 23860, 24220, 33404, 41755, 83510, 167020, 206389, 412778, 825556, 1031945, 1444723, 2063890, 2889446, 4127780, 5778892, 7223615, 14447230, 28894460]

約数ペア:

[(1, 28894460), (2, 14447230), (4, 7223615), (5, 5778892), (7, 4127780), (10, 2889446), (14, 2063890), (20, 1444723), (28, 1031945), (35, 825556), (70, 412778), (140, 206389), (173, 167020), (346, 83510), (692, 41755), (865, 33404), (1193, 24220), (1211, 23860), (1730, 16702), (2386, 12110), (2422, 11930), (3460, 8351), (4772, 6055), (4844, 5965)]