28037800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{2861}}^1$

素因数の和:2891

約数の個数: 72

約数和(自身を含む): 75857310

約数和(自身を除く): 47819510

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 2861, 4900, 5722, 9800, 11444, 14305, 20027, 22888, 28610, 40054, 57220, 71525, 80108, 100135, 114440, 140189, 143050, 160216, 200270, 280378, 286100, 400540, 500675, 560756, 572200, 700945, 801080, 1001350, 1121512, 1401890, 2002700, 2803780, 3504725, 4005400, 5607560, 7009450, 14018900, 28037800]

約数ペア:

[(1, 28037800), (2, 14018900), (4, 7009450), (5, 5607560), (7, 4005400), (8, 3504725), (10, 2803780), (14, 2002700), (20, 1401890), (25, 1121512), (28, 1001350), (35, 801080), (40, 700945), (49, 572200), (50, 560756), (56, 500675), (70, 400540), (98, 286100), (100, 280378), (140, 200270), (175, 160216), (196, 143050), (200, 140189), (245, 114440), (280, 100135), (350, 80108), (392, 71525), (490, 57220), (700, 40054), (980, 28610), (1225, 22888), (1400, 20027), (1960, 14305), (2450, 11444), (2861, 9800), (4900, 5722)]