28228780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{1031}}^1$

素因数の和:1114

約数の個数: 36

約数和(自身を含む): 60985008

約数和(自身を除く): 32756228

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 1031, 1369, 2062, 2738, 4124, 5155, 5476, 6845, 10310, 13690, 20620, 27380, 38147, 76294, 152588, 190735, 381470, 762940, 1411439, 2822878, 5645756, 7057195, 14114390, 28228780]

約数ペア:

[(1, 28228780), (2, 14114390), (4, 7057195), (5, 5645756), (10, 2822878), (20, 1411439), (37, 762940), (74, 381470), (148, 190735), (185, 152588), (370, 76294), (740, 38147), (1031, 27380), (1369, 20620), (2062, 13690), (2738, 10310), (4124, 6845), (5155, 5476)]