177140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 394632

約数和(自身を除く): 217492

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 521, 1042, 2084, 2605, 5210, 8857, 10420, 17714, 35428, 44285, 88570, 177140]

約数ペア:

[(1, 177140), (2, 88570), (4, 44285), (5, 35428), (10, 17714), (17, 10420), (20, 8857), (34, 5210), (68, 2605), (85, 2084), (170, 1042), (340, 521)]