77561000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^2\times {\mathrm{641}}^1$

素因数の和:684

約数の個数: 96

約数和(自身を含む): 199803240

約数和(自身を除く): 122242240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 125, 200, 220, 242, 250, 275, 440, 484, 500, 550, 605, 641, 968, 1000, 1100, 1210, 1282, 1375, 2200, 2420, 2564, 2750, 3025, 3205, 4840, 5128, 5500, 6050, 6410, 7051, 11000, 12100, 12820, 14102, 15125, 16025, 24200, 25640, 28204, 30250, 32050, 35255, 56408, 60500, 64100, 70510, 77561, 80125, 121000, 128200, 141020, 155122, 160250, 176275, 282040, 310244, 320500, 352550, 387805, 620488, 641000, 705100, 775610, 881375, 1410200, 1551220, 1762750, 1939025, 3102440, 3525500, 3878050, 7051000, 7756100, 9695125, 15512200, 19390250, 38780500, 77561000]

約数ペア:

[(1, 77561000), (2, 38780500), (4, 19390250), (5, 15512200), (8, 9695125), (10, 7756100), (11, 7051000), (20, 3878050), (22, 3525500), (25, 3102440), (40, 1939025), (44, 1762750), (50, 1551220), (55, 1410200), (88, 881375), (100, 775610), (110, 705100), (121, 641000), (125, 620488), (200, 387805), (220, 352550), (242, 320500), (250, 310244), (275, 282040), (440, 176275), (484, 160250), (500, 155122), (550, 141020), (605, 128200), (641, 121000), (968, 80125), (1000, 77561), (1100, 70510), (1210, 64100), (1282, 60500), (1375, 56408), (2200, 35255), (2420, 32050), (2564, 30250), (2750, 28204), (3025, 25640), (3205, 24200), (4840, 16025), (5128, 15125), (5500, 14102), (6050, 12820), (6410, 12100), (7051, 11000)]