247656880

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{42407}}^1$

素因数の和:42493

約数の個数: 40

約数和(自身を含む): 583703712

約数和(自身を除く): 336046832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 42407, 84814, 169628, 212035, 339256, 424070, 678512, 848140, 1696280, 3095711, 3392560, 6191422, 12382844, 15478555, 24765688, 30957110, 49531376, 61914220, 123828440, 247656880]

約数ペア:

[(1, 247656880), (2, 123828440), (4, 61914220), (5, 49531376), (8, 30957110), (10, 24765688), (16, 15478555), (20, 12382844), (40, 6191422), (73, 3392560), (80, 3095711), (146, 1696280), (292, 848140), (365, 678512), (584, 424070), (730, 339256), (1168, 212035), (1460, 169628), (2920, 84814), (5840, 42407)]