1945133080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{401887}}^1$

素因数の和:401920

約数の個数: 48

約数和(自身を含む): 4810599360

約数和(自身を除く): 2865466280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 401887, 803774, 1607548, 2009435, 3215096, 4018870, 4420757, 8037740, 8841514, 16075480, 17683028, 22103785, 35366056, 44207570, 48628327, 88415140, 97256654, 176830280, 194513308, 243141635, 389026616, 486283270, 972566540, 1945133080]

約数ペア:

[(1, 1945133080), (2, 972566540), (4, 486283270), (5, 389026616), (8, 243141635), (10, 194513308), (11, 176830280), (20, 97256654), (22, 88415140), (40, 48628327), (44, 44207570), (55, 35366056), (88, 22103785), (110, 17683028), (121, 16075480), (220, 8841514), (242, 8037740), (440, 4420757), (484, 4018870), (605, 3215096), (968, 2009435), (1210, 1607548), (2420, 803774), (4840, 401887)]