61518940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{439421}}^1$

素因数の和:439437

約数の個数: 24

約数和(自身を含む): 147645792

約数和(自身を除く): 86126852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439421, 878842, 1757684, 2197105, 3075947, 4394210, 6151894, 8788420, 12303788, 15379735, 30759470, 61518940]

約数ペア:

[(1, 61518940), (2, 30759470), (4, 15379735), (5, 12303788), (7, 8788420), (10, 6151894), (14, 4394210), (20, 3075947), (28, 2197105), (35, 1757684), (70, 878842), (140, 439421)]