30521540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{701}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 73592064

約数和(自身を除く): 43070524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 622, 701, 1244, 1402, 1555, 2177, 2804, 3110, 3505, 4354, 4907, 6220, 7010, 8708, 9814, 10885, 14020, 19628, 21770, 24535, 43540, 49070, 98140, 218011, 436022, 872044, 1090055, 1526077, 2180110, 3052154, 4360220, 6104308, 7630385, 15260770, 30521540]

約数ペア:

[(1, 30521540), (2, 15260770), (4, 7630385), (5, 6104308), (7, 4360220), (10, 3052154), (14, 2180110), (20, 1526077), (28, 1090055), (35, 872044), (70, 436022), (140, 218011), (311, 98140), (622, 49070), (701, 43540), (1244, 24535), (1402, 21770), (1555, 19628), (2177, 14020), (2804, 10885), (3110, 9814), (3505, 8708), (4354, 7010), (4907, 6220)]