218761600

素因数分解:

$2^7\times 5^2\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:660

約数の個数: 96

約数和(自身を含む): 545445000

約数和(自身を除く): 326683400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 137, 160, 200, 274, 320, 400, 499, 548, 640, 685, 800, 998, 1096, 1370, 1600, 1996, 2192, 2495, 2740, 3200, 3425, 3992, 4384, 4990, 5480, 6850, 7984, 8768, 9980, 10960, 12475, 13700, 15968, 17536, 19960, 21920, 24950, 27400, 31936, 39920, 43840, 49900, 54800, 63872, 68363, 79840, 87680, 99800, 109600, 136726, 159680, 199600, 219200, 273452, 319360, 341815, 399200, 438400, 546904, 683630, 798400, 1093808, 1367260, 1596800, 1709075, 2187616, 2734520, 3418150, 4375232, 5469040, 6836300, 8750464, 10938080, 13672600, 21876160, 27345200, 43752320, 54690400, 109380800, 218761600]

約数ペア:

[(1, 218761600), (2, 109380800), (4, 54690400), (5, 43752320), (8, 27345200), (10, 21876160), (16, 13672600), (20, 10938080), (25, 8750464), (32, 6836300), (40, 5469040), (50, 4375232), (64, 3418150), (80, 2734520), (100, 2187616), (128, 1709075), (137, 1596800), (160, 1367260), (200, 1093808), (274, 798400), (320, 683630), (400, 546904), (499, 438400), (548, 399200), (640, 341815), (685, 319360), (800, 273452), (998, 219200), (1096, 199600), (1370, 159680), (1600, 136726), (1996, 109600), (2192, 99800), (2495, 87680), (2740, 79840), (3200, 68363), (3425, 63872), (3992, 54800), (4384, 49900), (4990, 43840), (5480, 39920), (6850, 31936), (7984, 27400), (8768, 24950), (9980, 21920), (10960, 19960), (12475, 17536), (13700, 15968)]