71805860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{512899}}^1$

素因数の和:512915

約数の個数: 24

約数和(自身を含む): 172334400

約数和(自身を除く): 100528540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 512899, 1025798, 2051596, 2564495, 3590293, 5128990, 7180586, 10257980, 14361172, 17951465, 35902930, 71805860]

約数ペア:

[(1, 71805860), (2, 35902930), (4, 17951465), (5, 14361172), (7, 10257980), (10, 7180586), (14, 5128990), (20, 3590293), (28, 2564495), (35, 2051596), (70, 1025798), (140, 512899)]