51557800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{5261}}^1$

素因数の和:5291

約数の個数: 72

約数和(自身を含む): 139469310

約数和(自身を除く): 87911510

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, 4900, 5261, 9800, 10522, 21044, 26305, 36827, 42088, 52610, 73654, 105220, 131525, 147308, 184135, 210440, 257789, 263050, 294616, 368270, 515578, 526100, 736540, 920675, 1031156, 1052200, 1288945, 1473080, 1841350, 2062312, 2577890, 3682700, 5155780, 6444725, 7365400, 10311560, 12889450, 25778900, 51557800]

約数ペア:

[(1, 51557800), (2, 25778900), (4, 12889450), (5, 10311560), (7, 7365400), (8, 6444725), (10, 5155780), (14, 3682700), (20, 2577890), (25, 2062312), (28, 1841350), (35, 1473080), (40, 1288945), (49, 1052200), (50, 1031156), (56, 920675), (70, 736540), (98, 526100), (100, 515578), (140, 368270), (175, 294616), (196, 263050), (200, 257789), (245, 210440), (280, 184135), (350, 147308), (392, 131525), (490, 105220), (700, 73654), (980, 52610), (1225, 42088), (1400, 36827), (1960, 26305), (2450, 21044), (4900, 10522), (5261, 9800)]