2687440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4799}}^1$

素因数の和:4819

約数の個数: 40

約数和(自身を含む): 7142400

約数和(自身を除く): 4454960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4799, 9598, 19196, 23995, 33593, 38392, 47990, 67186, 76784, 95980, 134372, 167965, 191960, 268744, 335930, 383920, 537488, 671860, 1343720, 2687440]

約数ペア:

[(1, 2687440), (2, 1343720), (4, 671860), (5, 537488), (7, 383920), (8, 335930), (10, 268744), (14, 191960), (16, 167965), (20, 134372), (28, 95980), (35, 76784), (40, 67186), (56, 47990), (70, 38392), (80, 33593), (112, 23995), (140, 19196), (280, 9598), (560, 4799)]