274387390

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1\times {\mathrm{643}}^1$

素因数の和:1096

約数の個数: 32

約数和(自身を含む): 499847040

約数和(自身を除く): 225459650

約数列:

[1, 2, 5, 10, 139, 278, 307, 614, 643, 695, 1286, 1390, 1535, 3070, 3215, 6430, 42673, 85346, 89377, 178754, 197401, 213365, 394802, 426730, 446885, 893770, 987005, 1974010, 27438739, 54877478, 137193695, 274387390]

約数ペア:

[(1, 274387390), (2, 137193695), (5, 54877478), (10, 27438739), (139, 1974010), (278, 987005), (307, 893770), (614, 446885), (643, 426730), (695, 394802), (1286, 213365), (1390, 197401), (1535, 178754), (3070, 89377), (3215, 85346), (6430, 42673)]