978560

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 2570400

約数和(自身を除く): 1591840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 139, 160, 176, 220, 278, 320, 352, 440, 556, 640, 695, 704, 880, 1112, 1390, 1408, 1529, 1760, 2224, 2780, 3058, 3520, 4448, 5560, 6116, 7040, 7645, 8896, 11120, 12232, 15290, 17792, 22240, 24464, 30580, 44480, 48928, 61160, 88960, 97856, 122320, 195712, 244640, 489280, 978560]

約数ペア:

[(1, 978560), (2, 489280), (4, 244640), (5, 195712), (8, 122320), (10, 97856), (11, 88960), (16, 61160), (20, 48928), (22, 44480), (32, 30580), (40, 24464), (44, 22240), (55, 17792), (64, 15290), (80, 12232), (88, 11120), (110, 8896), (128, 7645), (139, 7040), (160, 6116), (176, 5560), (220, 4448), (278, 3520), (320, 3058), (352, 2780), (440, 2224), (556, 1760), (640, 1529), (695, 1408), (704, 1390), (880, 1112)]