28015400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{20011}}^1$

素因数の和:20034

約数の個数: 48

約数和(自身を含む): 74444640

約数和(自身を除く): 46429240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 20011, 40022, 80044, 100055, 140077, 160088, 200110, 280154, 400220, 500275, 560308, 700385, 800440, 1000550, 1120616, 1400770, 2001100, 2801540, 3501925, 4002200, 5603080, 7003850, 14007700, 28015400]

約数ペア:

[(1, 28015400), (2, 14007700), (4, 7003850), (5, 5603080), (7, 4002200), (8, 3501925), (10, 2801540), (14, 2001100), (20, 1400770), (25, 1120616), (28, 1000550), (35, 800440), (40, 700385), (50, 560308), (56, 500275), (70, 400220), (100, 280154), (140, 200110), (175, 160088), (200, 140077), (280, 100055), (350, 80044), (700, 40022), (1400, 20011)]