2009091700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{260921}}^1$

素因数の和:260953

約数の個数: 72

約数和(自身を含む): 5435527104

約数和(自身を除く): 3426435404

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, 260921, 521842, 1043684, 1304605, 1826447, 2609210, 2870131, 3652894, 5218420, 5740262, 6523025, 7305788, 9132235, 11480524, 13046050, 14350655, 18264470, 20090917, 26092100, 28701310, 36528940, 40181834, 45661175, 57402620, 71753275, 80363668, 91322350, 100454585, 143506550, 182644700, 200909170, 287013100, 401818340, 502272925, 1004545850, 2009091700]

約数ペア:

[(1, 2009091700), (2, 1004545850), (4, 502272925), (5, 401818340), (7, 287013100), (10, 200909170), (11, 182644700), (14, 143506550), (20, 100454585), (22, 91322350), (25, 80363668), (28, 71753275), (35, 57402620), (44, 45661175), (50, 40181834), (55, 36528940), (70, 28701310), (77, 26092100), (100, 20090917), (110, 18264470), (140, 14350655), (154, 13046050), (175, 11480524), (220, 9132235), (275, 7305788), (308, 6523025), (350, 5740262), (385, 5218420), (550, 3652894), (700, 2870131), (770, 2609210), (1100, 1826447), (1540, 1304605), (1925, 1043684), (3850, 521842), (7700, 260921)]