165794540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{5479}}^1$

素因数の和:5594

約数の個数: 48

約数和(自身を含む): 372859200

約数和(自身を除く): 207064660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 3026, 5479, 6052, 7565, 10958, 15130, 21916, 27395, 30260, 54790, 93143, 109580, 186286, 372572, 465715, 487631, 931430, 975262, 1862860, 1950524, 2438155, 4876310, 8289727, 9752620, 16579454, 33158908, 41448635, 82897270, 165794540]

約数ペア:

[(1, 165794540), (2, 82897270), (4, 41448635), (5, 33158908), (10, 16579454), (17, 9752620), (20, 8289727), (34, 4876310), (68, 2438155), (85, 1950524), (89, 1862860), (170, 975262), (178, 931430), (340, 487631), (356, 465715), (445, 372572), (890, 186286), (1513, 109580), (1780, 93143), (3026, 54790), (5479, 30260), (6052, 27395), (7565, 21916), (10958, 15130)]