121477640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{159839}}^1$

素因数の和:159869

約数の個数: 32

約数和(自身を含む): 287712000

約数和(自身を除く): 166234360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 159839, 319678, 639356, 799195, 1278712, 1598390, 3036941, 3196780, 6073882, 6393560, 12147764, 15184705, 24295528, 30369410, 60738820, 121477640]

約数ペア:

[(1, 121477640), (2, 60738820), (4, 30369410), (5, 24295528), (8, 15184705), (10, 12147764), (19, 6393560), (20, 6073882), (38, 3196780), (40, 3036941), (76, 1598390), (95, 1278712), (152, 799195), (190, 639356), (380, 319678), (760, 159839)]