231784990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{1231}}^1$

素因数の和:2248

約数の個数: 32

約数和(自身を含む): 439971840

約数和(自身を除く): 208186850

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 991, 1231, 1982, 2462, 4955, 6155, 9910, 12310, 18829, 23389, 37658, 46778, 94145, 116945, 188290, 233890, 1219921, 2439842, 6099605, 12199210, 23178499, 46356998, 115892495, 231784990]

約数ペア:

[(1, 231784990), (2, 115892495), (5, 46356998), (10, 23178499), (19, 12199210), (38, 6099605), (95, 2439842), (190, 1219921), (991, 233890), (1231, 188290), (1982, 116945), (2462, 94145), (4955, 46778), (6155, 37658), (9910, 23389), (12310, 18829)]