280571764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{643}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 550480896

約数和(自身を除く): 269909132

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 211, 422, 517, 643, 844, 1034, 1286, 2068, 2321, 2572, 4642, 7073, 9284, 9917, 14146, 19834, 28292, 30221, 39668, 60442, 109087, 120884, 135673, 218174, 271346, 332431, 436348, 542692, 664862, 1329724, 1492403, 2984806, 5969612, 6376631, 12753262, 25506524, 70142941, 140285882, 280571764]

約数ペア:

[(1, 280571764), (2, 140285882), (4, 70142941), (11, 25506524), (22, 12753262), (44, 6376631), (47, 5969612), (94, 2984806), (188, 1492403), (211, 1329724), (422, 664862), (517, 542692), (643, 436348), (844, 332431), (1034, 271346), (1286, 218174), (2068, 135673), (2321, 120884), (2572, 109087), (4642, 60442), (7073, 39668), (9284, 30221), (9917, 28292), (14146, 19834)]