154345960

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{19993}}^1$

素因数の和:20197

約数の個数: 32

約数和(自身を含む): 349095240

約数和(自身を除く): 194749280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 19993, 39986, 79972, 99965, 159944, 199930, 399860, 799720, 3858649, 7717298, 15434596, 19293245, 30869192, 38586490, 77172980, 154345960]

約数ペア:

[(1, 154345960), (2, 77172980), (4, 38586490), (5, 30869192), (8, 19293245), (10, 15434596), (20, 7717298), (40, 3858649), (193, 799720), (386, 399860), (772, 199930), (965, 159944), (1544, 99965), (1930, 79972), (3860, 39986), (7720, 19993)]