27894290

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 51332400

約数和(自身を除く): 23438110

約数列:

[1, 2, 5, 10, 97, 149, 193, 194, 298, 386, 485, 745, 965, 970, 1490, 1930, 14453, 18721, 28757, 28906, 37442, 57514, 72265, 93605, 143785, 144530, 187210, 287570, 2789429, 5578858, 13947145, 27894290]

約数ペア:

[(1, 27894290), (2, 13947145), (5, 5578858), (10, 2789429), (97, 287570), (149, 187210), (193, 144530), (194, 143785), (298, 93605), (386, 72265), (485, 57514), (745, 37442), (965, 28906), (970, 28757), (1490, 18721), (1930, 14453)]