208366820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{3319}}^1$

素因数の和:3444

約数の個数: 48

約数和(自身を含む): 454016640

約数和(自身を除く): 245649820

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 365, 430, 730, 860, 1460, 3139, 3319, 6278, 6638, 12556, 13276, 15695, 16595, 31390, 33190, 62780, 66380, 142717, 242287, 285434, 484574, 570868, 713585, 969148, 1211435, 1427170, 2422870, 2854340, 4845740, 10418341, 20836682, 41673364, 52091705, 104183410, 208366820]

約数ペア:

[(1, 208366820), (2, 104183410), (4, 52091705), (5, 41673364), (10, 20836682), (20, 10418341), (43, 4845740), (73, 2854340), (86, 2422870), (146, 1427170), (172, 1211435), (215, 969148), (292, 713585), (365, 570868), (430, 484574), (730, 285434), (860, 242287), (1460, 142717), (3139, 66380), (3319, 62780), (6278, 33190), (6638, 31390), (12556, 16595), (13276, 15695)]