1949273080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1\times {\mathrm{3259}}^1$

素因数の和:4076

約数の個数: 64

約数和(自身を含む): 4623984000

約数和(自身を除く): 2674710920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 787, 1574, 3148, 3259, 3935, 6296, 6518, 7870, 13036, 14953, 15740, 16295, 26072, 29906, 31480, 32590, 59812, 61921, 65180, 74765, 119624, 123842, 130360, 149530, 247684, 299060, 309605, 495368, 598120, 619210, 1238420, 2476840, 2564833, 5129666, 10259332, 12824165, 20518664, 25648330, 48731827, 51296660, 97463654, 102593320, 194927308, 243659135, 389854616, 487318270, 974636540, 1949273080]

約数ペア:

[(1, 1949273080), (2, 974636540), (4, 487318270), (5, 389854616), (8, 243659135), (10, 194927308), (19, 102593320), (20, 97463654), (38, 51296660), (40, 48731827), (76, 25648330), (95, 20518664), (152, 12824165), (190, 10259332), (380, 5129666), (760, 2564833), (787, 2476840), (1574, 1238420), (3148, 619210), (3259, 598120), (3935, 495368), (6296, 309605), (6518, 299060), (7870, 247684), (13036, 149530), (14953, 130360), (15740, 123842), (16295, 119624), (26072, 74765), (29906, 65180), (31480, 61921), (32590, 59812)]