87807740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{743}}^1$

素因数の和:1082

約数の個数: 48

約数和(自身を含む): 194987520

約数和(自身を除く): 107179780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 311, 380, 622, 743, 1244, 1486, 1555, 2972, 3110, 3715, 5909, 6220, 7430, 11818, 14117, 14860, 23636, 28234, 29545, 56468, 59090, 70585, 118180, 141170, 231073, 282340, 462146, 924292, 1155365, 2310730, 4390387, 4621460, 8780774, 17561548, 21951935, 43903870, 87807740]

約数ペア:

[(1, 87807740), (2, 43903870), (4, 21951935), (5, 17561548), (10, 8780774), (19, 4621460), (20, 4390387), (38, 2310730), (76, 1155365), (95, 924292), (190, 462146), (311, 282340), (380, 231073), (622, 141170), (743, 118180), (1244, 70585), (1486, 59090), (1555, 56468), (2972, 29545), (3110, 28234), (3715, 23636), (5909, 14860), (6220, 14117), (7430, 11818)]