380038780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{859}}^1\times {\mathrm{2011}}^1$

素因数の和:2890

約数の個数: 48

約数和(自身を含む): 872081280

約数和(自身を除く): 492042500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 859, 1718, 2011, 3436, 4022, 4295, 8044, 8590, 9449, 10055, 17180, 18898, 20110, 22121, 37796, 40220, 44242, 47245, 88484, 94490, 110605, 188980, 221210, 442420, 1727449, 3454898, 6909796, 8637245, 17274490, 19001939, 34548980, 38003878, 76007756, 95009695, 190019390, 380038780]

約数ペア:

[(1, 380038780), (2, 190019390), (4, 95009695), (5, 76007756), (10, 38003878), (11, 34548980), (20, 19001939), (22, 17274490), (44, 8637245), (55, 6909796), (110, 3454898), (220, 1727449), (859, 442420), (1718, 221210), (2011, 188980), (3436, 110605), (4022, 94490), (4295, 88484), (8044, 47245), (8590, 44242), (9449, 40220), (10055, 37796), (17180, 22121), (18898, 20110)]