187977640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{247339}}^1$

素因数の和:247369

約数の個数: 32

約数和(自身を含む): 445212000

約数和(自身を除く): 257234360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 247339, 494678, 989356, 1236695, 1978712, 2473390, 4699441, 4946780, 9398882, 9893560, 18797764, 23497205, 37595528, 46994410, 93988820, 187977640]

約数ペア:

[(1, 187977640), (2, 93988820), (4, 46994410), (5, 37595528), (8, 23497205), (10, 18797764), (19, 9893560), (20, 9398882), (38, 4946780), (40, 4699441), (76, 2473390), (95, 1978712), (152, 1236695), (190, 989356), (380, 494678), (760, 247339)]