30708440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109673}}^1$

素因数の和:109691

約数の個数: 32

約数和(自身を含む): 78965280

約数和(自身を除く): 48256840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 109673, 219346, 438692, 548365, 767711, 877384, 1096730, 1535422, 2193460, 3070844, 3838555, 4386920, 6141688, 7677110, 15354220, 30708440]

約数ペア:

[(1, 30708440), (2, 15354220), (4, 7677110), (5, 6141688), (7, 4386920), (8, 3838555), (10, 3070844), (14, 2193460), (20, 1535422), (28, 1096730), (35, 877384), (40, 767711), (56, 548365), (70, 438692), (140, 219346), (280, 109673)]