129149900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{857}}^1$

素因数の和:1019

約数の個数: 72

約数和(自身を含む): 308324016

約数和(自身を除く): 179174116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 137, 220, 274, 275, 548, 550, 685, 857, 1100, 1370, 1507, 1714, 2740, 3014, 3425, 3428, 4285, 6028, 6850, 7535, 8570, 9427, 13700, 15070, 17140, 18854, 21425, 30140, 37675, 37708, 42850, 47135, 75350, 85700, 94270, 117409, 150700, 188540, 234818, 235675, 469636, 471350, 587045, 942700, 1174090, 1291499, 2348180, 2582998, 2935225, 5165996, 5870450, 6457495, 11740900, 12914990, 25829980, 32287475, 64574950, 129149900]

約数ペア:

[(1, 129149900), (2, 64574950), (4, 32287475), (5, 25829980), (10, 12914990), (11, 11740900), (20, 6457495), (22, 5870450), (25, 5165996), (44, 2935225), (50, 2582998), (55, 2348180), (100, 1291499), (110, 1174090), (137, 942700), (220, 587045), (274, 471350), (275, 469636), (548, 235675), (550, 234818), (685, 188540), (857, 150700), (1100, 117409), (1370, 94270), (1507, 85700), (1714, 75350), (2740, 47135), (3014, 42850), (3425, 37708), (3428, 37675), (4285, 30140), (6028, 21425), (6850, 18854), (7535, 17140), (8570, 15070), (9427, 13700)]