201994585940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{811}}^1\times {\mathrm{12799}}^1$

素因数の和:13765

約数の個数: 96

約数和(自身を含む): 488914944000

約数和(自身を除く): 286920358060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 811, 973, 1390, 1622, 1946, 2780, 3244, 3892, 4055, 4865, 5677, 8110, 9730, 11354, 12799, 16220, 19460, 22708, 25598, 28385, 51196, 56770, 63995, 89593, 112729, 113540, 127990, 179186, 225458, 255980, 358372, 447965, 450916, 563645, 789103, 895930, 1127290, 1578206, 1779061, 1791860, 2254580, 3156412, 3558122, 3945515, 7116244, 7891030, 8895305, 10379989, 12453427, 15782060, 17790610, 20759978, 24906854, 35581220, 41519956, 49813708, 51899945, 62267135, 72659923, 103799890, 124534270, 145319846, 207599780, 249068540, 290639692, 363299615, 726599230, 1442818471, 1453198460, 2885636942, 5771273884, 7214092355, 10099729297, 14428184710, 20199458594, 28856369420, 40398917188, 50498646485, 100997292970, 201994585940]

約数ペア:

[(1, 201994585940), (2, 100997292970), (4, 50498646485), (5, 40398917188), (7, 28856369420), (10, 20199458594), (14, 14428184710), (20, 10099729297), (28, 7214092355), (35, 5771273884), (70, 2885636942), (139, 1453198460), (140, 1442818471), (278, 726599230), (556, 363299615), (695, 290639692), (811, 249068540), (973, 207599780), (1390, 145319846), (1622, 124534270), (1946, 103799890), (2780, 72659923), (3244, 62267135), (3892, 51899945), (4055, 49813708), (4865, 41519956), (5677, 35581220), (8110, 24906854), (9730, 20759978), (11354, 17790610), (12799, 15782060), (16220, 12453427), (19460, 10379989), (22708, 8895305), (25598, 7891030), (28385, 7116244), (51196, 3945515), (56770, 3558122), (63995, 3156412), (89593, 2254580), (112729, 1791860), (113540, 1779061), (127990, 1578206), (179186, 1127290), (225458, 895930), (255980, 789103), (358372, 563645), (447965, 450916)]