290701360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{213751}}^1$

素因数の和:213781

約数の個数: 40

約数和(自身を含む): 715641696

約数和(自身を除く): 424940336

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 213751, 427502, 855004, 1068755, 1710008, 2137510, 3420016, 3633767, 4275020, 7267534, 8550040, 14535068, 17100080, 18168835, 29070136, 36337670, 58140272, 72675340, 145350680, 290701360]

約数ペア:

[(1, 290701360), (2, 145350680), (4, 72675340), (5, 58140272), (8, 36337670), (10, 29070136), (16, 18168835), (17, 17100080), (20, 14535068), (34, 8550040), (40, 7267534), (68, 4275020), (80, 3633767), (85, 3420016), (136, 2137510), (170, 1710008), (272, 1068755), (340, 855004), (680, 427502), (1360, 213751)]