219913890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{9787}}^1$

素因数の和:9911

約数の個数: 64

約数和(自身を含む): 608891904

約数和(自身を除く): 388978014

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 107, 210, 214, 321, 535, 642, 749, 1070, 1498, 1605, 2247, 3210, 3745, 4494, 7490, 9787, 11235, 19574, 22470, 29361, 48935, 58722, 68509, 97870, 137018, 146805, 205527, 293610, 342545, 411054, 685090, 1027635, 1047209, 2055270, 2094418, 3141627, 5236045, 6283254, 7330463, 10472090, 14660926, 15708135, 21991389, 31416270, 36652315, 43982778, 73304630, 109956945, 219913890]

約数ペア:

[(1, 219913890), (2, 109956945), (3, 73304630), (5, 43982778), (6, 36652315), (7, 31416270), (10, 21991389), (14, 15708135), (15, 14660926), (21, 10472090), (30, 7330463), (35, 6283254), (42, 5236045), (70, 3141627), (105, 2094418), (107, 2055270), (210, 1047209), (214, 1027635), (321, 685090), (535, 411054), (642, 342545), (749, 293610), (1070, 205527), (1498, 146805), (1605, 137018), (2247, 97870), (3210, 68509), (3745, 58722), (4494, 48935), (7490, 29361), (9787, 22470), (11235, 19574)]