19880415900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{56207}}^1$

素因数の和:56361

約数の個数: 144

約数和(自身を含む): 64400878080

約数和(自身を除く): 44520462180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 131, 135, 150, 180, 225, 262, 270, 300, 393, 450, 524, 540, 655, 675, 786, 900, 1179, 1310, 1350, 1572, 1965, 2358, 2620, 2700, 3275, 3537, 3930, 4716, 5895, 6550, 7074, 7860, 9825, 11790, 13100, 14148, 17685, 19650, 23580, 29475, 35370, 39300, 56207, 58950, 70740, 88425, 112414, 117900, 168621, 176850, 224828, 281035, 337242, 353700, 505863, 562070, 674484, 843105, 1011726, 1124140, 1405175, 1517589, 1686210, 2023452, 2529315, 2810350, 3035178, 3372420, 4215525, 5058630, 5620700, 6070356, 7363117, 7587945, 8431050, 10117260, 12646575, 14726234, 15175890, 16862100, 22089351, 25293150, 29452468, 30351780, 36815585, 37939725, 44178702, 50586300, 66268053, 73631170, 75879450, 88357404, 110446755, 132536106, 147262340, 151758900, 184077925, 198804159, 220893510, 265072212, 331340265, 368155850, 397608318, 441787020, 552233775, 662680530, 736311700, 795216636, 994020795, 1104467550, 1325361060, 1656701325, 1988041590, 2208935100, 3313402650, 3976083180, 4970103975, 6626805300, 9940207950, 19880415900]

約数ペア:

[(1, 19880415900), (2, 9940207950), (3, 6626805300), (4, 4970103975), (5, 3976083180), (6, 3313402650), (9, 2208935100), (10, 1988041590), (12, 1656701325), (15, 1325361060), (18, 1104467550), (20, 994020795), (25, 795216636), (27, 736311700), (30, 662680530), (36, 552233775), (45, 441787020), (50, 397608318), (54, 368155850), (60, 331340265), (75, 265072212), (90, 220893510), (100, 198804159), (108, 184077925), (131, 151758900), (135, 147262340), (150, 132536106), (180, 110446755), (225, 88357404), (262, 75879450), (270, 73631170), (300, 66268053), (393, 50586300), (450, 44178702), (524, 37939725), (540, 36815585), (655, 30351780), (675, 29452468), (786, 25293150), (900, 22089351), (1179, 16862100), (1310, 15175890), (1350, 14726234), (1572, 12646575), (1965, 10117260), (2358, 8431050), (2620, 7587945), (2700, 7363117), (3275, 6070356), (3537, 5620700), (3930, 5058630), (4716, 4215525), (5895, 3372420), (6550, 3035178), (7074, 2810350), (7860, 2529315), (9825, 2023452), (11790, 1686210), (13100, 1517589), (14148, 1405175), (17685, 1124140), (19650, 1011726), (23580, 843105), (29475, 674484), (35370, 562070), (39300, 505863), (56207, 353700), (58950, 337242), (70740, 281035), (88425, 224828), (112414, 176850), (117900, 168621)]