78559490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{17977}}^1$

素因数の和:18026

約数の個数: 32

約数和(自身を含む): 155329920

約数和(自身を除く): 76770430

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 17977, 35954, 89885, 179770, 341563, 413471, 683126, 826942, 1707815, 2067355, 3415630, 4134710, 7855949, 15711898, 39279745, 78559490]

約数ペア:

[(1, 78559490), (2, 39279745), (5, 15711898), (10, 7855949), (19, 4134710), (23, 3415630), (38, 2067355), (46, 1707815), (95, 826942), (115, 683126), (190, 413471), (230, 341563), (437, 179770), (874, 89885), (2185, 35954), (4370, 17977)]