977900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 2666496

約数和(自身を除く): 1688596

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 127, 140, 154, 175, 220, 254, 275, 308, 350, 385, 508, 550, 635, 700, 770, 889, 1100, 1270, 1397, 1540, 1778, 1925, 2540, 2794, 3175, 3556, 3850, 4445, 5588, 6350, 6985, 7700, 8890, 9779, 12700, 13970, 17780, 19558, 22225, 27940, 34925, 39116, 44450, 48895, 69850, 88900, 97790, 139700, 195580, 244475, 488950, 977900]

約数ペア:

[(1, 977900), (2, 488950), (4, 244475), (5, 195580), (7, 139700), (10, 97790), (11, 88900), (14, 69850), (20, 48895), (22, 44450), (25, 39116), (28, 34925), (35, 27940), (44, 22225), (50, 19558), (55, 17780), (70, 13970), (77, 12700), (100, 9779), (110, 8890), (127, 7700), (140, 6985), (154, 6350), (175, 5588), (220, 4445), (254, 3850), (275, 3556), (308, 3175), (350, 2794), (385, 2540), (508, 1925), (550, 1778), (635, 1540), (700, 1397), (770, 1270), (889, 1100)]