9788900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{809}}^1$

素因数の和:845

約数の個数: 54

約数和(自身を含む): 23377410

約数和(自身を除く): 13588510

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 809, 1100, 1210, 1618, 2420, 3025, 3236, 4045, 6050, 8090, 8899, 12100, 16180, 17798, 20225, 35596, 40450, 44495, 80900, 88990, 97889, 177980, 195778, 222475, 391556, 444950, 489445, 889900, 978890, 1957780, 2447225, 4894450, 9788900]

約数ペア:

[(1, 9788900), (2, 4894450), (4, 2447225), (5, 1957780), (10, 978890), (11, 889900), (20, 489445), (22, 444950), (25, 391556), (44, 222475), (50, 195778), (55, 177980), (100, 97889), (110, 88990), (121, 80900), (220, 44495), (242, 40450), (275, 35596), (484, 20225), (550, 17798), (605, 16180), (809, 12100), (1100, 8899), (1210, 8090), (1618, 6050), (2420, 4045), (3025, 3236)]