2912757290

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:779

約数の個数: 64

約数和(自身を含む): 5484996000

約数和(自身を除く): 2572238710

約数列:

[1, 2, 5, 10, 37, 74, 89, 178, 185, 197, 370, 394, 445, 449, 890, 898, 985, 1970, 2245, 3293, 4490, 6586, 7289, 14578, 16465, 16613, 17533, 32930, 33226, 35066, 36445, 39961, 72890, 79922, 83065, 87665, 88453, 166130, 175330, 176906, 199805, 399610, 442265, 648721, 884530, 1297442, 1478557, 2957114, 3243605, 3272761, 6487210, 6545522, 7392785, 7872317, 14785570, 15744634, 16363805, 32727610, 39361585, 78723170, 291275729, 582551458, 1456378645, 2912757290]

約数ペア:

[(1, 2912757290), (2, 1456378645), (5, 582551458), (10, 291275729), (37, 78723170), (74, 39361585), (89, 32727610), (178, 16363805), (185, 15744634), (197, 14785570), (370, 7872317), (394, 7392785), (445, 6545522), (449, 6487210), (890, 3272761), (898, 3243605), (985, 2957114), (1970, 1478557), (2245, 1297442), (3293, 884530), (4490, 648721), (6586, 442265), (7289, 399610), (14578, 199805), (16465, 176906), (16613, 175330), (17533, 166130), (32930, 88453), (33226, 87665), (35066, 83065), (36445, 79922), (39961, 72890)]