290846380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{9511}}^1$

素因数の和:9670

約数の個数: 48

約数和(自身を含む): 671166720

約数和(自身を除く): 380320340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1390, 1529, 2780, 3058, 6116, 7645, 9511, 15290, 19022, 30580, 38044, 47555, 95110, 104621, 190220, 209242, 418484, 523105, 1046210, 1322029, 2092420, 2644058, 5288116, 6610145, 13220290, 14542319, 26440580, 29084638, 58169276, 72711595, 145423190, 290846380]

約数ペア:

[(1, 290846380), (2, 145423190), (4, 72711595), (5, 58169276), (10, 29084638), (11, 26440580), (20, 14542319), (22, 13220290), (44, 6610145), (55, 5288116), (110, 2644058), (139, 2092420), (220, 1322029), (278, 1046210), (556, 523105), (695, 418484), (1390, 209242), (1529, 190220), (2780, 104621), (3058, 95110), (6116, 47555), (7645, 38044), (9511, 30580), (15290, 19022)]