289771660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{762557}}^1$

素因数の和:762585

約数の個数: 24

約数和(自身を含む): 640548720

約数和(自身を除く): 350777060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 762557, 1525114, 3050228, 3812785, 7625570, 14488583, 15251140, 28977166, 57954332, 72442915, 144885830, 289771660]

約数ペア:

[(1, 289771660), (2, 144885830), (4, 72442915), (5, 57954332), (10, 28977166), (19, 15251140), (20, 14488583), (38, 7625570), (76, 3812785), (95, 3050228), (190, 1525114), (380, 762557)]