289197900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{321331}}^1$

素因数の和:321351

約数の個数: 54

約数和(自身を含む): 906477572

約数和(自身を除く): 617279672

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 321331, 642662, 963993, 1285324, 1606655, 1927986, 2891979, 3213310, 3855972, 4819965, 5783958, 6426620, 8033275, 9639930, 11567916, 14459895, 16066550, 19279860, 24099825, 28919790, 32133100, 48199650, 57839580, 72299475, 96399300, 144598950, 289197900]

約数ペア:

[(1, 289197900), (2, 144598950), (3, 96399300), (4, 72299475), (5, 57839580), (6, 48199650), (9, 32133100), (10, 28919790), (12, 24099825), (15, 19279860), (18, 16066550), (20, 14459895), (25, 11567916), (30, 9639930), (36, 8033275), (45, 6426620), (50, 5783958), (60, 4819965), (75, 3855972), (90, 3213310), (100, 2891979), (150, 1927986), (180, 1606655), (225, 1285324), (300, 963993), (450, 642662), (900, 321331)]