137890240

素因数分解:

$2^6\times 5^1\times {\mathrm{430907}}^1$

素因数の和:430924

約数の個数: 28

約数和(自身を含む): 328351896

約数和(自身を除く): 190461656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 430907, 861814, 1723628, 2154535, 3447256, 4309070, 6894512, 8618140, 13789024, 17236280, 27578048, 34472560, 68945120, 137890240]

約数ペア:

[(1, 137890240), (2, 68945120), (4, 34472560), (5, 27578048), (8, 17236280), (10, 13789024), (16, 8618140), (20, 6894512), (32, 4309070), (40, 3447256), (64, 2154535), (80, 1723628), (160, 861814), (320, 430907)]