2015643025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^2$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 2970747360

約数和(自身を除く): 955104335

約数列:

[1, 5, 11, 19, 25, 41, 55, 95, 97, 205, 209, 275, 451, 475, 485, 779, 1025, 1045, 1067, 1843, 2255, 2425, 3895, 3977, 5225, 5335, 8569, 9215, 9409, 11275, 19475, 19885, 20273, 26675, 42845, 43747, 46075, 47045, 75563, 99425, 101365, 103499, 178771, 214225, 218735, 235225, 377815, 385769, 506825, 517495, 831193, 893855, 1093675, 1889075, 1928845, 1966481, 2587475, 4155965, 4243459, 4469275, 7329611, 9644225, 9832405, 20779825, 21217295, 36648055, 49162025, 80625721, 106086475, 183240275, 403128605, 2015643025]

約数ペア:

[(1, 2015643025), (5, 403128605), (11, 183240275), (19, 106086475), (25, 80625721), (41, 49162025), (55, 36648055), (95, 21217295), (97, 20779825), (205, 9832405), (209, 9644225), (275, 7329611), (451, 4469275), (475, 4243459), (485, 4155965), (779, 2587475), (1025, 1966481), (1045, 1928845), (1067, 1889075), (1843, 1093675), (2255, 893855), (2425, 831193), (3895, 517495), (3977, 506825), (5225, 385769), (5335, 377815), (8569, 235225), (9215, 218735), (9409, 214225), (11275, 178771), (19475, 103499), (19885, 101365), (20273, 99425), (26675, 75563), (42845, 47045), (43747, 46075)]