311283420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{1987}}^1$

素因数の和:2379

約数の個数: 96

約数和(自身を含む): 999280128

約数和(自身を除く): 687996708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 373, 420, 746, 1119, 1492, 1865, 1987, 2238, 2611, 3730, 3974, 4476, 5222, 5595, 5961, 7460, 7833, 7948, 9935, 10444, 11190, 11922, 13055, 13909, 15666, 19870, 22380, 23844, 26110, 27818, 29805, 31332, 39165, 39740, 41727, 52220, 55636, 59610, 69545, 78330, 83454, 119220, 139090, 156660, 166908, 208635, 278180, 417270, 741151, 834540, 1482302, 2223453, 2964604, 3705755, 4446906, 5188057, 7411510, 8893812, 10376114, 11117265, 14823020, 15564171, 20752228, 22234530, 25940285, 31128342, 44469060, 51880570, 62256684, 77820855, 103761140, 155641710, 311283420]

約数ペア:

[(1, 311283420), (2, 155641710), (3, 103761140), (4, 77820855), (5, 62256684), (6, 51880570), (7, 44469060), (10, 31128342), (12, 25940285), (14, 22234530), (15, 20752228), (20, 15564171), (21, 14823020), (28, 11117265), (30, 10376114), (35, 8893812), (42, 7411510), (60, 5188057), (70, 4446906), (84, 3705755), (105, 2964604), (140, 2223453), (210, 1482302), (373, 834540), (420, 741151), (746, 417270), (1119, 278180), (1492, 208635), (1865, 166908), (1987, 156660), (2238, 139090), (2611, 119220), (3730, 83454), (3974, 78330), (4476, 69545), (5222, 59610), (5595, 55636), (5961, 52220), (7460, 41727), (7833, 39740), (7948, 39165), (9935, 31332), (10444, 29805), (11190, 27818), (11922, 26110), (13055, 23844), (13909, 22380), (15666, 19870)]