248698760

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{57041}}^1$

素因数の和:57161

約数の個数: 32

約数和(自身を含む): 564715800

約数和(自身を除く): 316017040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 57041, 114082, 228164, 285205, 456328, 570410, 1140820, 2281640, 6217469, 12434938, 24869876, 31087345, 49739752, 62174690, 124349380, 248698760]

約数ペア:

[(1, 248698760), (2, 124349380), (4, 62174690), (5, 49739752), (8, 31087345), (10, 24869876), (20, 12434938), (40, 6217469), (109, 2281640), (218, 1140820), (436, 570410), (545, 456328), (872, 285205), (1090, 228164), (2180, 114082), (4360, 57041)]