2009721808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{733}}^1$

素因数の和:1100

約数の個数: 80

約数和(自身を含む): 4259548800

約数和(自身を除く): 2249826992

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 304, 311, 464, 551, 622, 733, 1102, 1244, 1466, 2204, 2488, 2932, 4408, 4976, 5864, 5909, 8816, 9019, 11728, 11818, 13927, 18038, 21257, 23636, 27854, 36076, 42514, 47272, 55708, 72152, 85028, 94544, 111416, 144304, 170056, 171361, 222832, 227963, 340112, 342722, 403883, 455926, 685444, 807766, 911852, 1370888, 1615532, 1823704, 2741776, 3231064, 3647408, 4331297, 6462128, 6610927, 8662594, 13221854, 17325188, 26443708, 34650376, 52887416, 69300752, 105774832, 125607613, 251215226, 502430452, 1004860904, 2009721808]

約数ペア:

[(1, 2009721808), (2, 1004860904), (4, 502430452), (8, 251215226), (16, 125607613), (19, 105774832), (29, 69300752), (38, 52887416), (58, 34650376), (76, 26443708), (116, 17325188), (152, 13221854), (232, 8662594), (304, 6610927), (311, 6462128), (464, 4331297), (551, 3647408), (622, 3231064), (733, 2741776), (1102, 1823704), (1244, 1615532), (1466, 1370888), (2204, 911852), (2488, 807766), (2932, 685444), (4408, 455926), (4976, 403883), (5864, 342722), (5909, 340112), (8816, 227963), (9019, 222832), (11728, 171361), (11818, 170056), (13927, 144304), (18038, 111416), (21257, 94544), (23636, 85028), (27854, 72152), (36076, 55708), (42514, 47272)]