149408440

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{11783}}^1$

素因数の和:12111

約数の個数: 32

約数和(自身を含む): 337258080

約数和(自身を除く): 187849640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 11783, 12680, 23566, 47132, 58915, 94264, 117830, 235660, 471320, 3735211, 7470422, 14940844, 18676055, 29881688, 37352110, 74704220, 149408440]

約数ペア:

[(1, 149408440), (2, 74704220), (4, 37352110), (5, 29881688), (8, 18676055), (10, 14940844), (20, 7470422), (40, 3735211), (317, 471320), (634, 235660), (1268, 117830), (1585, 94264), (2536, 58915), (3170, 47132), (6340, 23566), (11783, 12680)]