7884990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1109}}^1$

素因数の和:1201

約数の個数: 48

約数和(自身を含む): 20779200

約数和(自身を除く): 12894210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 474, 711, 790, 1109, 1185, 1422, 2218, 2370, 3327, 3555, 5545, 6654, 7110, 9981, 11090, 16635, 19962, 33270, 49905, 87611, 99810, 175222, 262833, 438055, 525666, 788499, 876110, 1314165, 1576998, 2628330, 3942495, 7884990]

約数ペア:

[(1, 7884990), (2, 3942495), (3, 2628330), (5, 1576998), (6, 1314165), (9, 876110), (10, 788499), (15, 525666), (18, 438055), (30, 262833), (45, 175222), (79, 99810), (90, 87611), (158, 49905), (237, 33270), (395, 19962), (474, 16635), (711, 11090), (790, 9981), (1109, 7110), (1185, 6654), (1422, 5545), (2218, 3555), (2370, 3327)]