89902490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1759}}^1$

素因数の和:2054

約数の個数: 32

約数和(自身を含む): 171072000

約数和(自身を除く): 81169510

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 269, 538, 1345, 1759, 2690, 3518, 5111, 8795, 10222, 17590, 25555, 33421, 51110, 66842, 167105, 334210, 473171, 946342, 2365855, 4731710, 8990249, 17980498, 44951245, 89902490]

約数ペア:

[(1, 89902490), (2, 44951245), (5, 17980498), (10, 8990249), (19, 4731710), (38, 2365855), (95, 946342), (190, 473171), (269, 334210), (538, 167105), (1345, 66842), (1759, 51110), (2690, 33421), (3518, 25555), (5111, 17590), (8795, 10222)]