338840460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{268921}}^1$

素因数の和:268943

約数の個数: 72

約数和(自身を含む): 1174651296

約数和(自身を除く): 835810836

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 268921, 537842, 806763, 1075684, 1344605, 1613526, 1882447, 2420289, 2689210, 3227052, 3764894, 4033815, 4840578, 5378420, 5647341, 7529788, 8067630, 9412235, 9681156, 11294682, 12101445, 16135260, 16942023, 18824470, 22589364, 24202890, 28236705, 33884046, 37648940, 48405780, 56473410, 67768092, 84710115, 112946820, 169420230, 338840460]

約数ペア:

[(1, 338840460), (2, 169420230), (3, 112946820), (4, 84710115), (5, 67768092), (6, 56473410), (7, 48405780), (9, 37648940), (10, 33884046), (12, 28236705), (14, 24202890), (15, 22589364), (18, 18824470), (20, 16942023), (21, 16135260), (28, 12101445), (30, 11294682), (35, 9681156), (36, 9412235), (42, 8067630), (45, 7529788), (60, 5647341), (63, 5378420), (70, 4840578), (84, 4033815), (90, 3764894), (105, 3227052), (126, 2689210), (140, 2420289), (180, 1882447), (210, 1613526), (252, 1344605), (315, 1075684), (420, 806763), (630, 537842), (1260, 268921)]