68077900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:535

約数の個数: 72

約数和(自身を含む): 162489600

約数和(自身を除く): 94411700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 199, 220, 275, 311, 398, 550, 622, 796, 995, 1100, 1244, 1555, 1990, 2189, 3110, 3421, 3980, 4378, 4975, 6220, 6842, 7775, 8756, 9950, 10945, 13684, 15550, 17105, 19900, 21890, 31100, 34210, 43780, 54725, 61889, 68420, 85525, 109450, 123778, 171050, 218900, 247556, 309445, 342100, 618890, 680779, 1237780, 1361558, 1547225, 2723116, 3094450, 3403895, 6188900, 6807790, 13615580, 17019475, 34038950, 68077900]

約数ペア:

[(1, 68077900), (2, 34038950), (4, 17019475), (5, 13615580), (10, 6807790), (11, 6188900), (20, 3403895), (22, 3094450), (25, 2723116), (44, 1547225), (50, 1361558), (55, 1237780), (100, 680779), (110, 618890), (199, 342100), (220, 309445), (275, 247556), (311, 218900), (398, 171050), (550, 123778), (622, 109450), (796, 85525), (995, 68420), (1100, 61889), (1244, 54725), (1555, 43780), (1990, 34210), (2189, 31100), (3110, 21890), (3421, 19900), (3980, 17105), (4378, 15550), (4975, 13684), (6220, 10945), (6842, 9950), (7775, 8756)]