28163660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5437}}^1$

素因数の和:5490

約数の個数: 48

約数和(自身を含む): 69432384

約数和(自身を除く): 41268724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 5437, 10874, 21748, 27185, 38059, 54370, 76118, 108740, 152236, 190295, 201169, 380590, 402338, 761180, 804676, 1005845, 1408183, 2011690, 2816366, 4023380, 5632732, 7040915, 14081830, 28163660]

約数ペア:

[(1, 28163660), (2, 14081830), (4, 7040915), (5, 5632732), (7, 4023380), (10, 2816366), (14, 2011690), (20, 1408183), (28, 1005845), (35, 804676), (37, 761180), (70, 402338), (74, 380590), (140, 201169), (148, 190295), (185, 152236), (259, 108740), (370, 76118), (518, 54370), (740, 38059), (1036, 27185), (1295, 21748), (2590, 10874), (5180, 5437)]