86578940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{618421}}^1$

素因数の和:618437

約数の個数: 24

約数和(自身を含む): 207789792

約数和(自身を除く): 121210852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 618421, 1236842, 2473684, 3092105, 4328947, 6184210, 8657894, 12368420, 17315788, 21644735, 43289470, 86578940]

約数ペア:

[(1, 86578940), (2, 43289470), (4, 21644735), (5, 17315788), (7, 12368420), (10, 8657894), (14, 6184210), (20, 4328947), (28, 3092105), (35, 2473684), (70, 1236842), (140, 618421)]