2774120

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 6289920

約数和(自身を除く): 3515800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 311, 446, 622, 892, 1115, 1244, 1555, 1784, 2230, 2488, 3110, 4460, 6220, 8920, 12440, 69353, 138706, 277412, 346765, 554824, 693530, 1387060, 2774120]

約数ペア:

[(1, 2774120), (2, 1387060), (4, 693530), (5, 554824), (8, 346765), (10, 277412), (20, 138706), (40, 69353), (223, 12440), (311, 8920), (446, 6220), (622, 4460), (892, 3110), (1115, 2488), (1244, 2230), (1555, 1784)]