489280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1$

素因数の和:167

約数の個数: 56

約数和(自身を含む): 1280160

約数和(自身を除く): 790880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 139, 160, 176, 220, 278, 320, 352, 440, 556, 695, 704, 880, 1112, 1390, 1529, 1760, 2224, 2780, 3058, 3520, 4448, 5560, 6116, 7645, 8896, 11120, 12232, 15290, 22240, 24464, 30580, 44480, 48928, 61160, 97856, 122320, 244640, 489280]

約数ペア:

[(1, 489280), (2, 244640), (4, 122320), (5, 97856), (8, 61160), (10, 48928), (11, 44480), (16, 30580), (20, 24464), (22, 22240), (32, 15290), (40, 12232), (44, 11120), (55, 8896), (64, 7645), (80, 6116), (88, 5560), (110, 4448), (139, 3520), (160, 3058), (176, 2780), (220, 2224), (278, 1760), (320, 1529), (352, 1390), (440, 1112), (556, 880), (695, 704)]