2712920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9689}}^1$

素因数の和:9707

約数の個数: 32

約数和(自身を含む): 6976800

約数和(自身を除く): 4263880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9689, 19378, 38756, 48445, 67823, 77512, 96890, 135646, 193780, 271292, 339115, 387560, 542584, 678230, 1356460, 2712920]

約数ペア:

[(1, 2712920), (2, 1356460), (4, 678230), (5, 542584), (7, 387560), (8, 339115), (10, 271292), (14, 193780), (20, 135646), (28, 96890), (35, 77512), (40, 67823), (56, 48445), (70, 38756), (140, 19378), (280, 9689)]