121387960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{159721}}^1$

素因数の和:159751

約数の個数: 32

約数和(自身を含む): 287499600

約数和(自身を除く): 166111640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 159721, 319442, 638884, 798605, 1277768, 1597210, 3034699, 3194420, 6069398, 6388840, 12138796, 15173495, 24277592, 30346990, 60693980, 121387960]

約数ペア:

[(1, 121387960), (2, 60693980), (4, 30346990), (5, 24277592), (8, 15173495), (10, 12138796), (19, 6388840), (20, 6069398), (38, 3194420), (40, 3034699), (76, 1597210), (95, 1277768), (152, 798605), (190, 638884), (380, 319442), (760, 159721)]