274875440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{490849}}^1$

素因数の和:490869

約数の個数: 40

約数和(自身を含む): 730384800

約数和(自身を除く): 455509360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 490849, 981698, 1963396, 2454245, 3435943, 3926792, 4908490, 6871886, 7853584, 9816980, 13743772, 17179715, 19633960, 27487544, 34359430, 39267920, 54975088, 68718860, 137437720, 274875440]

約数ペア:

[(1, 274875440), (2, 137437720), (4, 68718860), (5, 54975088), (7, 39267920), (8, 34359430), (10, 27487544), (14, 19633960), (16, 17179715), (20, 13743772), (28, 9816980), (35, 7853584), (40, 6871886), (56, 4908490), (70, 3926792), (80, 3435943), (112, 2454245), (140, 1963396), (280, 981698), (560, 490849)]