216960260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{89653}}^1$

素因数の和:89684

約数の個数: 36

約数和(自身を含む): 500807244

約数和(自身を除く): 283846984

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 89653, 179306, 358612, 448265, 896530, 986183, 1793060, 1972366, 3944732, 4930915, 9861830, 10848013, 19723660, 21696026, 43392052, 54240065, 108480130, 216960260]

約数ペア:

[(1, 216960260), (2, 108480130), (4, 54240065), (5, 43392052), (10, 21696026), (11, 19723660), (20, 10848013), (22, 9861830), (44, 4930915), (55, 3944732), (110, 1972366), (121, 1793060), (220, 986183), (242, 896530), (484, 448265), (605, 358612), (1210, 179306), (2420, 89653)]