28225960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{14401}}^1$

素因数の和:14426

約数の個数: 48

約数和(自身を含む): 73882260

約数和(自身を除く): 45656300

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 14401, 28802, 57604, 72005, 100807, 115208, 144010, 201614, 288020, 403228, 504035, 576040, 705649, 806456, 1008070, 1411298, 2016140, 2822596, 3528245, 4032280, 5645192, 7056490, 14112980, 28225960]

約数ペア:

[(1, 28225960), (2, 14112980), (4, 7056490), (5, 5645192), (7, 4032280), (8, 3528245), (10, 2822596), (14, 2016140), (20, 1411298), (28, 1008070), (35, 806456), (40, 705649), (49, 576040), (56, 504035), (70, 403228), (98, 288020), (140, 201614), (196, 144010), (245, 115208), (280, 100807), (392, 72005), (490, 57604), (980, 28802), (1960, 14401)]