17216540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 39795840

約数和(自身を除く): 22579300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 563, 695, 1126, 1390, 1529, 2252, 2780, 2815, 3058, 5630, 6116, 6193, 7645, 11260, 12386, 15290, 24772, 30580, 30965, 61930, 78257, 123860, 156514, 313028, 391285, 782570, 860827, 1565140, 1721654, 3443308, 4304135, 8608270, 17216540]

約数ペア:

[(1, 17216540), (2, 8608270), (4, 4304135), (5, 3443308), (10, 1721654), (11, 1565140), (20, 860827), (22, 782570), (44, 391285), (55, 313028), (110, 156514), (139, 123860), (220, 78257), (278, 61930), (556, 30965), (563, 30580), (695, 24772), (1126, 15290), (1390, 12386), (1529, 11260), (2252, 7645), (2780, 6193), (2815, 6116), (3058, 5630)]