221962840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{504461}}^1$

素因数の和:504483

約数の個数: 32

約数和(自身を含む): 544818960

約数和(自身を除く): 322856120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 504461, 1008922, 2017844, 2522305, 4035688, 5044610, 5549071, 10089220, 11098142, 20178440, 22196284, 27745355, 44392568, 55490710, 110981420, 221962840]

約数ペア:

[(1, 221962840), (2, 110981420), (4, 55490710), (5, 44392568), (8, 27745355), (10, 22196284), (11, 20178440), (20, 11098142), (22, 10089220), (40, 5549071), (44, 5044610), (55, 4035688), (88, 2522305), (110, 2017844), (220, 1008922), (440, 504461)]