129779800

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 319399200

約数和(自身を除く): 189619400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 89, 92, 100, 115, 178, 184, 200, 230, 317, 356, 445, 460, 575, 634, 712, 890, 920, 1150, 1268, 1585, 1780, 2047, 2225, 2300, 2536, 3170, 3560, 4094, 4450, 4600, 6340, 7291, 7925, 8188, 8900, 10235, 12680, 14582, 15850, 16376, 17800, 20470, 28213, 29164, 31700, 36455, 40940, 51175, 56426, 58328, 63400, 72910, 81880, 102350, 112852, 141065, 145820, 182275, 204700, 225704, 282130, 291640, 364550, 409400, 564260, 648899, 705325, 729100, 1128520, 1297798, 1410650, 1458200, 2595596, 2821300, 3244495, 5191192, 5642600, 6488990, 12977980, 16222475, 25955960, 32444950, 64889900, 129779800]

約数ペア:

[(1, 129779800), (2, 64889900), (4, 32444950), (5, 25955960), (8, 16222475), (10, 12977980), (20, 6488990), (23, 5642600), (25, 5191192), (40, 3244495), (46, 2821300), (50, 2595596), (89, 1458200), (92, 1410650), (100, 1297798), (115, 1128520), (178, 729100), (184, 705325), (200, 648899), (230, 564260), (317, 409400), (356, 364550), (445, 291640), (460, 282130), (575, 225704), (634, 204700), (712, 182275), (890, 145820), (920, 141065), (1150, 112852), (1268, 102350), (1585, 81880), (1780, 72910), (2047, 63400), (2225, 58328), (2300, 56426), (2536, 51175), (3170, 40940), (3560, 36455), (4094, 31700), (4450, 29164), (4600, 28213), (6340, 20470), (7291, 17800), (7925, 16376), (8188, 15850), (8900, 14582), (10235, 12680)]