4021270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 7983360

約数和(自身を除く): 3962090

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 263, 278, 526, 695, 1315, 1390, 1529, 2630, 2893, 3058, 5786, 7645, 14465, 15290, 28930, 36557, 73114, 182785, 365570, 402127, 804254, 2010635, 4021270]

約数ペア:

[(1, 4021270), (2, 2010635), (5, 804254), (10, 402127), (11, 365570), (22, 182785), (55, 73114), (110, 36557), (139, 28930), (263, 15290), (278, 14465), (526, 7645), (695, 5786), (1315, 3058), (1390, 2893), (1529, 2630)]