78048460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557489}}^1$

素因数の和:557505

約数の個数: 24

約数和(自身を含む): 187316640

約数和(自身を除く): 109268180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557489, 1114978, 2229956, 2787445, 3902423, 5574890, 7804846, 11149780, 15609692, 19512115, 39024230, 78048460]

約数ペア:

[(1, 78048460), (2, 39024230), (4, 19512115), (5, 15609692), (7, 11149780), (10, 7804846), (14, 5574890), (20, 3902423), (28, 2787445), (35, 2229956), (70, 1114978), (140, 557489)]