320468500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{5297}}^1$

素因数の和:5338

約数の個数: 72

約数和(自身を含む): 769460328

約数和(自身を除く): 448991828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 125, 220, 242, 250, 275, 484, 500, 550, 605, 1100, 1210, 1375, 2420, 2750, 3025, 5297, 5500, 6050, 10594, 12100, 15125, 21188, 26485, 30250, 52970, 58267, 60500, 105940, 116534, 132425, 233068, 264850, 291335, 529700, 582670, 640937, 662125, 1165340, 1281874, 1324250, 1456675, 2563748, 2648500, 2913350, 3204685, 5826700, 6409370, 7283375, 12818740, 14566750, 16023425, 29133500, 32046850, 64093700, 80117125, 160234250, 320468500]

約数ペア:

[(1, 320468500), (2, 160234250), (4, 80117125), (5, 64093700), (10, 32046850), (11, 29133500), (20, 16023425), (22, 14566750), (25, 12818740), (44, 7283375), (50, 6409370), (55, 5826700), (100, 3204685), (110, 2913350), (121, 2648500), (125, 2563748), (220, 1456675), (242, 1324250), (250, 1281874), (275, 1165340), (484, 662125), (500, 640937), (550, 582670), (605, 529700), (1100, 291335), (1210, 264850), (1375, 233068), (2420, 132425), (2750, 116534), (3025, 105940), (5297, 60500), (5500, 58267), (6050, 52970), (10594, 30250), (12100, 26485), (15125, 21188)]