199902230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{947}}^1$

素因数の和:1085

約数の個数: 64

約数和(自身を含む): 417726720

約数和(自身を除く): 217824490

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 101, 110, 190, 202, 209, 418, 505, 947, 1010, 1045, 1111, 1894, 1919, 2090, 2222, 3838, 4735, 5555, 9470, 9595, 10417, 11110, 17993, 19190, 20834, 21109, 35986, 42218, 52085, 89965, 95647, 104170, 105545, 179930, 191294, 197923, 211090, 395846, 478235, 956470, 989615, 1052117, 1817293, 1979230, 2104234, 3634586, 5260585, 9086465, 10521170, 18172930, 19990223, 39980446, 99951115, 199902230]

約数ペア:

[(1, 199902230), (2, 99951115), (5, 39980446), (10, 19990223), (11, 18172930), (19, 10521170), (22, 9086465), (38, 5260585), (55, 3634586), (95, 2104234), (101, 1979230), (110, 1817293), (190, 1052117), (202, 989615), (209, 956470), (418, 478235), (505, 395846), (947, 211090), (1010, 197923), (1045, 191294), (1111, 179930), (1894, 105545), (1919, 104170), (2090, 95647), (2222, 89965), (3838, 52085), (4735, 42218), (5555, 35986), (9470, 21109), (9595, 20834), (10417, 19190), (11110, 17993)]