18568900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:709

約数の個数: 72

約数和(自身を含む): 47246976

約数和(自身を除く): 28678076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 100, 140, 164, 175, 205, 287, 350, 410, 574, 647, 700, 820, 1025, 1148, 1294, 1435, 2050, 2588, 2870, 3235, 4100, 4529, 5740, 6470, 7175, 9058, 12940, 14350, 16175, 18116, 22645, 26527, 28700, 32350, 45290, 53054, 64700, 90580, 106108, 113225, 132635, 185689, 226450, 265270, 371378, 452900, 530540, 663175, 742756, 928445, 1326350, 1856890, 2652700, 3713780, 4642225, 9284450, 18568900]

約数ペア:

[(1, 18568900), (2, 9284450), (4, 4642225), (5, 3713780), (7, 2652700), (10, 1856890), (14, 1326350), (20, 928445), (25, 742756), (28, 663175), (35, 530540), (41, 452900), (50, 371378), (70, 265270), (82, 226450), (100, 185689), (140, 132635), (164, 113225), (175, 106108), (205, 90580), (287, 64700), (350, 53054), (410, 45290), (574, 32350), (647, 28700), (700, 26527), (820, 22645), (1025, 18116), (1148, 16175), (1294, 14350), (1435, 12940), (2050, 9058), (2588, 7175), (2870, 6470), (3235, 5740), (4100, 4529)]