1969085920

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1\times {\mathrm{349}}^1$

素因数の和:740

約数の個数: 96

約数和(自身を含む): 4715172000

約数和(自身を除く): 2746086080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 197, 349, 358, 394, 698, 716, 788, 895, 985, 1396, 1432, 1576, 1745, 1790, 1970, 2792, 2864, 3152, 3490, 3580, 3940, 5584, 5728, 6304, 6980, 7160, 7880, 11168, 13960, 14320, 15760, 27920, 28640, 31520, 35263, 55840, 62471, 68753, 70526, 124942, 137506, 141052, 176315, 249884, 275012, 282104, 312355, 343765, 352630, 499768, 550024, 564208, 624710, 687530, 705260, 999536, 1100048, 1128416, 1249420, 1375060, 1410520, 1999072, 2200096, 2498840, 2750120, 2821040, 4997680, 5500240, 5642080, 9995360, 11000480, 12306787, 24613574, 49227148, 61533935, 98454296, 123067870, 196908592, 246135740, 393817184, 492271480, 984542960, 1969085920]

約数ペア:

[(1, 1969085920), (2, 984542960), (4, 492271480), (5, 393817184), (8, 246135740), (10, 196908592), (16, 123067870), (20, 98454296), (32, 61533935), (40, 49227148), (80, 24613574), (160, 12306787), (179, 11000480), (197, 9995360), (349, 5642080), (358, 5500240), (394, 4997680), (698, 2821040), (716, 2750120), (788, 2498840), (895, 2200096), (985, 1999072), (1396, 1410520), (1432, 1375060), (1576, 1249420), (1745, 1128416), (1790, 1100048), (1970, 999536), (2792, 705260), (2864, 687530), (3152, 624710), (3490, 564208), (3580, 550024), (3940, 499768), (5584, 352630), (5728, 343765), (6304, 312355), (6980, 282104), (7160, 275012), (7880, 249884), (11168, 176315), (13960, 141052), (14320, 137506), (15760, 124942), (27920, 70526), (28640, 68753), (31520, 62471), (35263, 55840)]