77967400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{55691}}^1$

素因数の和:55714

約数の個数: 48

約数和(自身を含む): 207174240

約数和(自身を除く): 129206840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 55691, 111382, 222764, 278455, 389837, 445528, 556910, 779674, 1113820, 1392275, 1559348, 1949185, 2227640, 2784550, 3118696, 3898370, 5569100, 7796740, 9745925, 11138200, 15593480, 19491850, 38983700, 77967400]

約数ペア:

[(1, 77967400), (2, 38983700), (4, 19491850), (5, 15593480), (7, 11138200), (8, 9745925), (10, 7796740), (14, 5569100), (20, 3898370), (25, 3118696), (28, 2784550), (35, 2227640), (40, 1949185), (50, 1559348), (56, 1392275), (70, 1113820), (100, 779674), (140, 556910), (175, 445528), (200, 389837), (280, 278455), (350, 222764), (700, 111382), (1400, 55691)]