2243920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4007}}^1$

素因数の和:4027

約数の個数: 40

約数和(自身を含む): 5963904

約数和(自身を除く): 3719984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4007, 8014, 16028, 20035, 28049, 32056, 40070, 56098, 64112, 80140, 112196, 140245, 160280, 224392, 280490, 320560, 448784, 560980, 1121960, 2243920]

約数ペア:

[(1, 2243920), (2, 1121960), (4, 560980), (5, 448784), (7, 320560), (8, 280490), (10, 224392), (14, 160280), (16, 140245), (20, 112196), (28, 80140), (35, 64112), (40, 56098), (56, 40070), (70, 32056), (80, 28049), (112, 20035), (140, 16028), (280, 8014), (560, 4007)]