51805180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 130386816

約数和(自身を除く): 78581636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 73, 74, 137, 140, 146, 148, 185, 259, 274, 292, 365, 370, 511, 518, 548, 685, 730, 740, 959, 1022, 1036, 1295, 1370, 1460, 1918, 2044, 2555, 2590, 2701, 2740, 3836, 4795, 5069, 5110, 5180, 5402, 9590, 10001, 10138, 10220, 10804, 13505, 18907, 19180, 20002, 20276, 25345, 27010, 35483, 37814, 40004, 50005, 50690, 54020, 70007, 70966, 75628, 94535, 100010, 101380, 140014, 141932, 177415, 189070, 200020, 280028, 350035, 354830, 370037, 378140, 700070, 709660, 740074, 1400140, 1480148, 1850185, 2590259, 3700370, 5180518, 7400740, 10361036, 12951295, 25902590, 51805180]

約数ペア:

[(1, 51805180), (2, 25902590), (4, 12951295), (5, 10361036), (7, 7400740), (10, 5180518), (14, 3700370), (20, 2590259), (28, 1850185), (35, 1480148), (37, 1400140), (70, 740074), (73, 709660), (74, 700070), (137, 378140), (140, 370037), (146, 354830), (148, 350035), (185, 280028), (259, 200020), (274, 189070), (292, 177415), (365, 141932), (370, 140014), (511, 101380), (518, 100010), (548, 94535), (685, 75628), (730, 70966), (740, 70007), (959, 54020), (1022, 50690), (1036, 50005), (1295, 40004), (1370, 37814), (1460, 35483), (1918, 27010), (2044, 25345), (2555, 20276), (2590, 20002), (2701, 19180), (2740, 18907), (3836, 13505), (4795, 10804), (5069, 10220), (5110, 10138), (5180, 10001), (5402, 9590)]