280646000

素因数分解:

$2^4\times 5^3\times {\mathrm{23}}^1\times {\mathrm{6101}}^1$

素因数の和:6147

約数の個数: 80

約数和(自身を含む): 708222528

約数和(自身を除く): 427576528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 125, 184, 200, 230, 250, 368, 400, 460, 500, 575, 920, 1000, 1150, 1840, 2000, 2300, 2875, 4600, 5750, 6101, 9200, 11500, 12202, 23000, 24404, 30505, 46000, 48808, 61010, 97616, 122020, 140323, 152525, 244040, 280646, 305050, 488080, 561292, 610100, 701615, 762625, 1122584, 1220200, 1403230, 1525250, 2245168, 2440400, 2806460, 3050500, 3508075, 5612920, 6101000, 7016150, 11225840, 12202000, 14032300, 17540375, 28064600, 35080750, 56129200, 70161500, 140323000, 280646000]

約数ペア:

[(1, 280646000), (2, 140323000), (4, 70161500), (5, 56129200), (8, 35080750), (10, 28064600), (16, 17540375), (20, 14032300), (23, 12202000), (25, 11225840), (40, 7016150), (46, 6101000), (50, 5612920), (80, 3508075), (92, 3050500), (100, 2806460), (115, 2440400), (125, 2245168), (184, 1525250), (200, 1403230), (230, 1220200), (250, 1122584), (368, 762625), (400, 701615), (460, 610100), (500, 561292), (575, 488080), (920, 305050), (1000, 280646), (1150, 244040), (1840, 152525), (2000, 140323), (2300, 122020), (2875, 97616), (4600, 61010), (5750, 48808), (6101, 46000), (9200, 30505), (11500, 24404), (12202, 23000)]