7874440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{28123}}^1$

素因数の和:28141

約数の個数: 32

約数和(自身を含む): 20249280

約数和(自身を除く): 12374840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 28123, 56246, 112492, 140615, 196861, 224984, 281230, 393722, 562460, 787444, 984305, 1124920, 1574888, 1968610, 3937220, 7874440]

約数ペア:

[(1, 7874440), (2, 3937220), (4, 1968610), (5, 1574888), (7, 1124920), (8, 984305), (10, 787444), (14, 562460), (20, 393722), (28, 281230), (35, 224984), (40, 196861), (56, 140615), (70, 112492), (140, 56246), (280, 28123)]