238088440

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{61363}}^1$

素因数の和:61471

約数の個数: 32

約数和(自身を含む): 541230480

約数和(自身を除く): 303142040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 61363, 122726, 245452, 306815, 490904, 613630, 1227260, 2454520, 5952211, 11904422, 23808844, 29761055, 47617688, 59522110, 119044220, 238088440]

約数ペア:

[(1, 238088440), (2, 119044220), (4, 59522110), (5, 47617688), (8, 29761055), (10, 23808844), (20, 11904422), (40, 5952211), (97, 2454520), (194, 1227260), (388, 613630), (485, 490904), (776, 306815), (970, 245452), (1940, 122726), (3880, 61363)]