2209900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:80

約数の個数: 108

約数和(自身を含む): 6233976

約数和(自身を除く): 4024076

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 41, 44, 49, 50, 55, 70, 77, 82, 98, 100, 110, 140, 154, 164, 175, 196, 205, 220, 245, 275, 287, 308, 350, 385, 410, 451, 490, 539, 550, 574, 700, 770, 820, 902, 980, 1025, 1078, 1100, 1148, 1225, 1435, 1540, 1804, 1925, 2009, 2050, 2156, 2255, 2450, 2695, 2870, 3157, 3850, 4018, 4100, 4510, 4900, 5390, 5740, 6314, 7175, 7700, 8036, 9020, 10045, 10780, 11275, 12628, 13475, 14350, 15785, 20090, 22099, 22550, 26950, 28700, 31570, 40180, 44198, 45100, 50225, 53900, 63140, 78925, 88396, 100450, 110495, 157850, 200900, 220990, 315700, 441980, 552475, 1104950, 2209900]

約数ペア:

[(1, 2209900), (2, 1104950), (4, 552475), (5, 441980), (7, 315700), (10, 220990), (11, 200900), (14, 157850), (20, 110495), (22, 100450), (25, 88396), (28, 78925), (35, 63140), (41, 53900), (44, 50225), (49, 45100), (50, 44198), (55, 40180), (70, 31570), (77, 28700), (82, 26950), (98, 22550), (100, 22099), (110, 20090), (140, 15785), (154, 14350), (164, 13475), (175, 12628), (196, 11275), (205, 10780), (220, 10045), (245, 9020), (275, 8036), (287, 7700), (308, 7175), (350, 6314), (385, 5740), (410, 5390), (451, 4900), (490, 4510), (539, 4100), (550, 4018), (574, 3850), (700, 3157), (770, 2870), (820, 2695), (902, 2450), (980, 2255), (1025, 2156), (1078, 2050), (1100, 2009), (1148, 1925), (1225, 1804), (1435, 1540)]