2199920

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:377

約数の個数: 40

約数和(自身を含む): 5182704

約数和(自身を除く): 2982784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 257, 428, 514, 535, 856, 1028, 1070, 1285, 1712, 2056, 2140, 2570, 4112, 4280, 5140, 8560, 10280, 20560, 27499, 54998, 109996, 137495, 219992, 274990, 439984, 549980, 1099960, 2199920]

約数ペア:

[(1, 2199920), (2, 1099960), (4, 549980), (5, 439984), (8, 274990), (10, 219992), (16, 137495), (20, 109996), (40, 54998), (80, 27499), (107, 20560), (214, 10280), (257, 8560), (428, 5140), (514, 4280), (535, 4112), (856, 2570), (1028, 2140), (1070, 2056), (1285, 1712)]