30872380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20047}}^1$

素因数の和:20074

約数の個数: 48

約数和(自身を含む): 80833536

約数和(自身を除く): 49961156

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 20047, 40094, 80188, 100235, 140329, 200470, 220517, 280658, 400940, 441034, 561316, 701645, 882068, 1102585, 1403290, 1543619, 2205170, 2806580, 3087238, 4410340, 6174476, 7718095, 15436190, 30872380]

約数ペア:

[(1, 30872380), (2, 15436190), (4, 7718095), (5, 6174476), (7, 4410340), (10, 3087238), (11, 2806580), (14, 2205170), (20, 1543619), (22, 1403290), (28, 1102585), (35, 882068), (44, 701645), (55, 561316), (70, 441034), (77, 400940), (110, 280658), (140, 220517), (154, 200470), (220, 140329), (308, 100235), (385, 80188), (770, 40094), (1540, 20047)]