2006642275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^2$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 2887730352

約数和(自身を除く): 881088077

約数列:

[1, 5, 11, 25, 37, 53, 55, 61, 185, 265, 275, 305, 407, 583, 671, 925, 1325, 1525, 1961, 2035, 2257, 2915, 3233, 3355, 3721, 9805, 10175, 11285, 14575, 16165, 16775, 18605, 21571, 24827, 35563, 40931, 49025, 56425, 80825, 93025, 107855, 119621, 124135, 137677, 177815, 197213, 204655, 539275, 598105, 620675, 688385, 889075, 986065, 1023275, 1315831, 1514447, 2169343, 2990525, 3441925, 4930325, 6579155, 7296881, 7572235, 10846715, 32895775, 36484405, 37861175, 54233575, 80265691, 182422025, 401328455, 2006642275]

約数ペア:

[(1, 2006642275), (5, 401328455), (11, 182422025), (25, 80265691), (37, 54233575), (53, 37861175), (55, 36484405), (61, 32895775), (185, 10846715), (265, 7572235), (275, 7296881), (305, 6579155), (407, 4930325), (583, 3441925), (671, 2990525), (925, 2169343), (1325, 1514447), (1525, 1315831), (1961, 1023275), (2035, 986065), (2257, 889075), (2915, 688385), (3233, 620675), (3355, 598105), (3721, 539275), (9805, 204655), (10175, 197213), (11285, 177815), (14575, 137677), (16165, 124135), (16775, 119621), (18605, 107855), (21571, 93025), (24827, 80825), (35563, 56425), (40931, 49025)]