42957880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{153421}}^1$

素因数の和:153439

約数の個数: 32

約数和(自身を含む): 110463840

約数和(自身を除く): 67505960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 153421, 306842, 613684, 767105, 1073947, 1227368, 1534210, 2147894, 3068420, 4295788, 5369735, 6136840, 8591576, 10739470, 21478940, 42957880]

約数ペア:

[(1, 42957880), (2, 21478940), (4, 10739470), (5, 8591576), (7, 6136840), (8, 5369735), (10, 4295788), (14, 3068420), (20, 2147894), (28, 1534210), (35, 1227368), (40, 1073947), (56, 767105), (70, 613684), (140, 306842), (280, 153421)]