2490950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 5785344

約数和(自身を除く): 3294394

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 647, 770, 1294, 1925, 3235, 3850, 4529, 6470, 7117, 9058, 14234, 16175, 22645, 32350, 35585, 45290, 49819, 71170, 99638, 113225, 177925, 226450, 249095, 355850, 498190, 1245475, 2490950]

約数ペア:

[(1, 2490950), (2, 1245475), (5, 498190), (7, 355850), (10, 249095), (11, 226450), (14, 177925), (22, 113225), (25, 99638), (35, 71170), (50, 49819), (55, 45290), (70, 35585), (77, 32350), (110, 22645), (154, 16175), (175, 14234), (275, 9058), (350, 7117), (385, 6470), (550, 4529), (647, 3850), (770, 3235), (1294, 1925)]