31222180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1021}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 72112320

約数和(自身を除く): 40890140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1021, 1390, 1529, 2042, 2780, 3058, 4084, 5105, 6116, 7645, 10210, 11231, 15290, 20420, 22462, 30580, 44924, 56155, 112310, 141919, 224620, 283838, 567676, 709595, 1419190, 1561109, 2838380, 3122218, 6244436, 7805545, 15611090, 31222180]

約数ペア:

[(1, 31222180), (2, 15611090), (4, 7805545), (5, 6244436), (10, 3122218), (11, 2838380), (20, 1561109), (22, 1419190), (44, 709595), (55, 567676), (110, 283838), (139, 224620), (220, 141919), (278, 112310), (556, 56155), (695, 44924), (1021, 30580), (1390, 22462), (1529, 20420), (2042, 15290), (2780, 11231), (3058, 10210), (4084, 7645), (5105, 6116)]