328804520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{747283}}^1$

素因数の和:747305

約数の個数: 32

約数和(自身を含む): 807066720

約数和(自身を除く): 478262200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 747283, 1494566, 2989132, 3736415, 5978264, 7472830, 8220113, 14945660, 16440226, 29891320, 32880452, 41100565, 65760904, 82201130, 164402260, 328804520]

約数ペア:

[(1, 328804520), (2, 164402260), (4, 82201130), (5, 65760904), (8, 41100565), (10, 32880452), (11, 29891320), (20, 16440226), (22, 14945660), (40, 8220113), (44, 7472830), (55, 5978264), (88, 3736415), (110, 2989132), (220, 1494566), (440, 747283)]