138005000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{3943}}^1$

素因数の和:3976

約数の個数: 80

約数和(自身を含む): 369631680

約数和(自身を除く): 231626680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 625, 700, 875, 1000, 1250, 1400, 1750, 2500, 3500, 3943, 4375, 5000, 7000, 7886, 8750, 15772, 17500, 19715, 27601, 31544, 35000, 39430, 55202, 78860, 98575, 110404, 138005, 157720, 197150, 220808, 276010, 394300, 492875, 552020, 690025, 788600, 985750, 1104040, 1380050, 1971500, 2464375, 2760100, 3450125, 3943000, 4928750, 5520200, 6900250, 9857500, 13800500, 17250625, 19715000, 27601000, 34501250, 69002500, 138005000]

約数ペア:

[(1, 138005000), (2, 69002500), (4, 34501250), (5, 27601000), (7, 19715000), (8, 17250625), (10, 13800500), (14, 9857500), (20, 6900250), (25, 5520200), (28, 4928750), (35, 3943000), (40, 3450125), (50, 2760100), (56, 2464375), (70, 1971500), (100, 1380050), (125, 1104040), (140, 985750), (175, 788600), (200, 690025), (250, 552020), (280, 492875), (350, 394300), (500, 276010), (625, 220808), (700, 197150), (875, 157720), (1000, 138005), (1250, 110404), (1400, 98575), (1750, 78860), (2500, 55202), (3500, 39430), (3943, 35000), (4375, 31544), (5000, 27601), (7000, 19715), (7886, 17500), (8750, 15772)]