82969100

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 186654720

約数和(自身を除く): 103685620

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 127, 139, 188, 235, 254, 278, 470, 508, 556, 635, 695, 940, 1175, 1270, 1390, 2350, 2540, 2780, 3175, 3475, 4700, 5969, 6350, 6533, 6950, 11938, 12700, 13066, 13900, 17653, 23876, 26132, 29845, 32665, 35306, 59690, 65330, 70612, 88265, 119380, 130660, 149225, 163325, 176530, 298450, 326650, 353060, 441325, 596900, 653300, 829691, 882650, 1659382, 1765300, 3318764, 4148455, 8296910, 16593820, 20742275, 41484550, 82969100]

約数ペア:

[(1, 82969100), (2, 41484550), (4, 20742275), (5, 16593820), (10, 8296910), (20, 4148455), (25, 3318764), (47, 1765300), (50, 1659382), (94, 882650), (100, 829691), (127, 653300), (139, 596900), (188, 441325), (235, 353060), (254, 326650), (278, 298450), (470, 176530), (508, 163325), (556, 149225), (635, 130660), (695, 119380), (940, 88265), (1175, 70612), (1270, 65330), (1390, 59690), (2350, 35306), (2540, 32665), (2780, 29845), (3175, 26132), (3475, 23876), (4700, 17653), (5969, 13900), (6350, 13066), (6533, 12700), (6950, 11938)]