219876470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{383}}^1$

素因数の和:725

約数の個数: 64

約数和(自身を含む): 459841536

約数和(自身を除く): 239965066

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 307, 374, 383, 614, 766, 935, 1535, 1870, 1915, 3070, 3377, 3830, 4213, 5219, 6511, 6754, 8426, 10438, 13022, 16885, 21065, 26095, 32555, 33770, 42130, 52190, 57409, 65110, 71621, 114818, 117581, 143242, 235162, 287045, 358105, 574090, 587905, 716210, 1175810, 1293391, 1998877, 2586782, 3997754, 6466955, 9994385, 12933910, 19988770, 21987647, 43975294, 109938235, 219876470]

約数ペア:

[(1, 219876470), (2, 109938235), (5, 43975294), (10, 21987647), (11, 19988770), (17, 12933910), (22, 9994385), (34, 6466955), (55, 3997754), (85, 2586782), (110, 1998877), (170, 1293391), (187, 1175810), (307, 716210), (374, 587905), (383, 574090), (614, 358105), (766, 287045), (935, 235162), (1535, 143242), (1870, 117581), (1915, 114818), (3070, 71621), (3377, 65110), (3830, 57409), (4213, 52190), (5219, 42130), (6511, 33770), (6754, 32555), (8426, 26095), (10438, 21065), (13022, 16885)]