254748900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{121309}}^1$

素因数の和:121333

約数の個数: 72

約数和(自身を含む): 842376640

約数和(自身を除く): 587627740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 121309, 242618, 363927, 485236, 606545, 727854, 849163, 1213090, 1455708, 1698326, 1819635, 2426180, 2547489, 3032725, 3396652, 3639270, 4245815, 5094978, 6065450, 7278540, 8491630, 9098175, 10189956, 12130900, 12737445, 16983260, 18196350, 21229075, 25474890, 36392700, 42458150, 50949780, 63687225, 84916300, 127374450, 254748900]

約数ペア:

[(1, 254748900), (2, 127374450), (3, 84916300), (4, 63687225), (5, 50949780), (6, 42458150), (7, 36392700), (10, 25474890), (12, 21229075), (14, 18196350), (15, 16983260), (20, 12737445), (21, 12130900), (25, 10189956), (28, 9098175), (30, 8491630), (35, 7278540), (42, 6065450), (50, 5094978), (60, 4245815), (70, 3639270), (75, 3396652), (84, 3032725), (100, 2547489), (105, 2426180), (140, 1819635), (150, 1698326), (175, 1455708), (210, 1213090), (300, 849163), (350, 727854), (420, 606545), (525, 485236), (700, 363927), (1050, 242618), (2100, 121309)]