128731400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{91951}}^1$

素因数の和:91974

約数の個数: 48

約数和(自身を含む): 342061440

約数和(自身を除く): 213330040

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, 91951, 183902, 367804, 459755, 643657, 735608, 919510, 1287314, 1839020, 2298775, 2574628, 3218285, 3678040, 4597550, 5149256, 6436570, 9195100, 12873140, 16091425, 18390200, 25746280, 32182850, 64365700, 128731400]

約数ペア:

[(1, 128731400), (2, 64365700), (4, 32182850), (5, 25746280), (7, 18390200), (8, 16091425), (10, 12873140), (14, 9195100), (20, 6436570), (25, 5149256), (28, 4597550), (35, 3678040), (40, 3218285), (50, 2574628), (56, 2298775), (70, 1839020), (100, 1287314), (140, 919510), (175, 735608), (200, 643657), (280, 459755), (350, 367804), (700, 183902), (1400, 91951)]