347140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1021}}^1$

素因数の和:1047

約数の個数: 24

約数和(自身を含む): 772632

約数和(自身を除く): 425492

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1021, 2042, 4084, 5105, 10210, 17357, 20420, 34714, 69428, 86785, 173570, 347140]

約数ペア:

[(1, 347140), (2, 173570), (4, 86785), (5, 69428), (10, 34714), (17, 20420), (20, 17357), (34, 10210), (68, 5105), (85, 4084), (170, 2042), (340, 1021)]