31217060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{222979}}^1$

素因数の和:222995

約数の個数: 24

約数和(自身を含む): 74921280

約数和(自身を除く): 43704220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 222979, 445958, 891916, 1114895, 1560853, 2229790, 3121706, 4459580, 6243412, 7804265, 15608530, 31217060]

約数ペア:

[(1, 31217060), (2, 15608530), (4, 7804265), (5, 6243412), (7, 4459580), (10, 3121706), (14, 2229790), (20, 1560853), (28, 1114895), (35, 891916), (70, 445958), (140, 222979)]