1396394440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{106109}}^1$

素因数の和:106174

約数の個数: 64

約数和(自身を含む): 3667161600

約数和(自身を除く): 2270767160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3290, 6580, 13160, 106109, 212218, 424436, 530545, 742763, 848872, 1061090, 1485526, 2122180, 2971052, 3713815, 4244360, 4987123, 5942104, 7427630, 9974246, 14855260, 19948492, 24935615, 29710520, 34909861, 39896984, 49871230, 69819722, 99742460, 139639444, 174549305, 199484920, 279278888, 349098610, 698197220, 1396394440]

約数ペア:

[(1, 1396394440), (2, 698197220), (4, 349098610), (5, 279278888), (7, 199484920), (8, 174549305), (10, 139639444), (14, 99742460), (20, 69819722), (28, 49871230), (35, 39896984), (40, 34909861), (47, 29710520), (56, 24935615), (70, 19948492), (94, 14855260), (140, 9974246), (188, 7427630), (235, 5942104), (280, 4987123), (329, 4244360), (376, 3713815), (470, 2971052), (658, 2122180), (940, 1485526), (1316, 1061090), (1645, 848872), (1880, 742763), (2632, 530545), (3290, 424436), (6580, 212218), (13160, 106109)]