72164890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{10009}}^1$

素因数の和:10126

約数の個数: 32

約数和(自身を含む): 149909760

約数和(自身を除く): 77744870

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 3605, 7210, 10009, 20018, 50045, 70063, 100090, 140126, 350315, 700630, 1030927, 2061854, 5154635, 7216489, 10309270, 14432978, 36082445, 72164890]

約数ペア:

[(1, 72164890), (2, 36082445), (5, 14432978), (7, 10309270), (10, 7216489), (14, 5154635), (35, 2061854), (70, 1030927), (103, 700630), (206, 350315), (515, 140126), (721, 100090), (1030, 70063), (1442, 50045), (3605, 20018), (7210, 10009)]