171980060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1228429}}^1$

素因数の和:1228445

約数の個数: 24

約数和(自身を含む): 412752480

約数和(自身を除く): 240772420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1228429, 2456858, 4913716, 6142145, 8599003, 12284290, 17198006, 24568580, 34396012, 42995015, 85990030, 171980060]

約数ペア:

[(1, 171980060), (2, 85990030), (4, 42995015), (5, 34396012), (7, 24568580), (10, 17198006), (14, 12284290), (20, 8599003), (28, 6142145), (35, 4913716), (70, 2456858), (140, 1228429)]