308021320

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{39089}}^1$

素因数の和:39297

約数の個数: 32

約数和(自身を含む): 696583800

約数和(自身を除く): 388562480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 39089, 78178, 156356, 195445, 312712, 390890, 781780, 1563560, 7700533, 15401066, 30802132, 38502665, 61604264, 77005330, 154010660, 308021320]

約数ペア:

[(1, 308021320), (2, 154010660), (4, 77005330), (5, 61604264), (8, 38502665), (10, 30802132), (20, 15401066), (40, 7700533), (197, 1563560), (394, 781780), (788, 390890), (985, 312712), (1576, 195445), (1970, 156356), (3940, 78178), (7880, 39089)]