2016221900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{261847}}^1$

素因数の和:261879

約数の個数: 72

約数和(自身を含む): 5454817536

約数和(自身を除く): 3438595636

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3850, 7700, 261847, 523694, 1047388, 1309235, 1832929, 2618470, 2880317, 3665858, 5236940, 5760634, 6546175, 7331716, 9164645, 11521268, 13092350, 14401585, 18329290, 20162219, 26184700, 28803170, 36658580, 40324438, 45823225, 57606340, 72007925, 80648876, 91646450, 100811095, 144015850, 183292900, 201622190, 288031700, 403244380, 504055475, 1008110950, 2016221900]

約数ペア:

[(1, 2016221900), (2, 1008110950), (4, 504055475), (5, 403244380), (7, 288031700), (10, 201622190), (11, 183292900), (14, 144015850), (20, 100811095), (22, 91646450), (25, 80648876), (28, 72007925), (35, 57606340), (44, 45823225), (50, 40324438), (55, 36658580), (70, 28803170), (77, 26184700), (100, 20162219), (110, 18329290), (140, 14401585), (154, 13092350), (175, 11521268), (220, 9164645), (275, 7331716), (308, 6546175), (350, 5760634), (385, 5236940), (550, 3665858), (700, 2880317), (770, 2618470), (1100, 1832929), (1540, 1309235), (1925, 1047388), (3850, 523694), (7700, 261847)]