149728940

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{68683}}^1$

素因数の和:68801

約数の個数: 24

約数和(自身を含む): 317320080

約数和(自身を除く): 167591140

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 68683, 137366, 274732, 343415, 686830, 1373660, 7486447, 14972894, 29945788, 37432235, 74864470, 149728940]

約数ペア:

[(1, 149728940), (2, 74864470), (4, 37432235), (5, 29945788), (10, 14972894), (20, 7486447), (109, 1373660), (218, 686830), (436, 343415), (545, 274732), (1090, 137366), (2180, 68683)]