163059140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{991}}^1$

素因数の和:1452

約数の個数: 48

約数和(自身を含む): 361643520

約数和(自身を除く): 198584380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 433, 866, 991, 1732, 1982, 2165, 3964, 4330, 4955, 8227, 8660, 9910, 16454, 18829, 19820, 32908, 37658, 41135, 75316, 82270, 94145, 164540, 188290, 376580, 429103, 858206, 1716412, 2145515, 4291030, 8152957, 8582060, 16305914, 32611828, 40764785, 81529570, 163059140]

約数ペア:

[(1, 163059140), (2, 81529570), (4, 40764785), (5, 32611828), (10, 16305914), (19, 8582060), (20, 8152957), (38, 4291030), (76, 2145515), (95, 1716412), (190, 858206), (380, 429103), (433, 376580), (866, 188290), (991, 164540), (1732, 94145), (1982, 82270), (2165, 75316), (3964, 41135), (4330, 37658), (4955, 32908), (8227, 19820), (8660, 18829), (9910, 16454)]