9975980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71257}}^1$

素因数の和:71273

約数の個数: 24

約数和(自身を含む): 23942688

約数和(自身を除く): 13966708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 71257, 142514, 285028, 356285, 498799, 712570, 997598, 1425140, 1995196, 2493995, 4987990, 9975980]

約数ペア:

[(1, 9975980), (2, 4987990), (4, 2493995), (5, 1995196), (7, 1425140), (10, 997598), (14, 712570), (20, 498799), (28, 356285), (35, 285028), (70, 142514), (140, 71257)]